20455963920

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{19}}^2\times {\mathrm{11243}}^1$

素因数の和:11307

約数の個数: 360

約数和(自身を含む): 82868999616

約数和(自身を除く): 62413035696

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 19, 20, 21, 24, 28, 30, 35, 36, 38, 40, 42, 45, 48, 56, 57, 60, 63, 70, 72, 76, 80, 84, 90, 95, 105, 112, 114, 120, 126, 133, 140, 144, 152, 168, 171, 180, 190, 210, 228, 240, 252, 266, 280, 285, 304, 315, 336, 342, 360, 361, 380, 399, 420, 456, 504, 532, 560, 570, 630, 665, 684, 720, 722, 760, 798, 840, 855, 912, 1008, 1064, 1083, 1140, 1197, 1260, 1330, 1368, 1444, 1520, 1596, 1680, 1710, 1805, 1995, 2128, 2166, 2280, 2394, 2520, 2527, 2660, 2736, 2888, 3192, 3249, 3420, 3610, 3990, 4332, 4560, 4788, 5040, 5054, 5320, 5415, 5776, 5985, 6384, 6498, 6840, 7220, 7581, 7980, 8664, 9576, 10108, 10640, 10830, 11243, 11970, 12635, 12996, 13680, 14440, 15162, 15960, 16245, 17328, 19152, 20216, 21660, 22486, 22743, 23940, 25270, 25992, 28880, 30324, 31920, 32490, 33729, 37905, 40432, 43320, 44972, 45486, 47880, 50540, 51984, 56215, 60648, 64980, 67458, 75810, 78701, 86640, 89944, 90972, 95760, 101080, 101187, 112430, 113715, 121296, 129960, 134916, 151620, 157402, 168645, 179888, 181944, 202160, 202374, 213617, 224860, 227430, 236103, 259920, 269832, 303240, 314804, 337290, 363888, 393505, 404748, 427234, 449720, 454860, 472206, 505935, 539664, 606480, 629608, 640851, 674580, 708309, 787010, 809496, 854468, 899440, 909720, 944412, 1011870, 1068085, 1180515, 1259216, 1281702, 1349160, 1416618, 1495319, 1574020, 1618992, 1708936, 1819440, 1888824, 1922553, 2023740, 2136170, 2361030, 2563404, 2698320, 2833236, 2990638, 3148040, 3204255, 3417872, 3541545, 3777648, 3845106, 4047480, 4058723, 4272340, 4485957, 4722060, 5126808, 5666472, 5981276, 6296080, 6408510, 7083090, 7476595, 7690212, 8094960, 8117446, 8544680, 8971914, 9444120, 9612765, 10253616, 11332944, 11962552, 12176169, 12817020, 13457871, 14166180, 14953190, 15380424, 16234892, 17089360, 17943828, 18888240, 19225530, 20293615, 22429785, 23925104, 24352338, 25634040, 26915742, 28332360, 28411061, 29906380, 30760848, 32469784, 35887656, 36528507, 38451060, 40587230, 44859570, 48704676, 51268080, 53831484, 56664720, 56822122, 59812760, 60880845, 64939568, 67289355, 71775312, 73057014, 76902120, 81174460, 85233183, 89719140, 97409352, 107662968, 113644244, 119625520, 121761690, 134578710, 142055305, 146114028, 153804240, 162348920, 170466366, 179438280, 182642535, 194818704, 215325936, 227288488, 243523380, 255699549, 269157420, 284110610, 292228056, 324697840, 340932732, 358876560, 365285070, 426165915, 454576976, 487046760, 511399098, 538314840, 568221220, 584456112, 681865464, 730570140, 852331830, 974093520, 1022798196, 1076629680, 1136442440, 1278497745, 1363730928, 1461140280, 1704663660, 2045596392, 2272884880, 2556995490, 2922280560, 3409327320, 4091192784, 5113990980, 6818654640, 10227981960, 20455963920]

約数ペア:

[(1, 20455963920), (2, 10227981960), (3, 6818654640), (4, 5113990980), (5, 4091192784), (6, 3409327320), (7, 2922280560), (8, 2556995490), (9, 2272884880), (10, 2045596392), (12, 1704663660), (14, 1461140280), (15, 1363730928), (16, 1278497745), (18, 1136442440), (19, 1076629680), (20, 1022798196), (21, 974093520), (24, 852331830), (28, 730570140), (30, 681865464), (35, 584456112), (36, 568221220), (38, 538314840), (40, 511399098), (42, 487046760), (45, 454576976), (48, 426165915), (56, 365285070), (57, 358876560), (60, 340932732), (63, 324697840), (70, 292228056), (72, 284110610), (76, 269157420), (80, 255699549), (84, 243523380), (90, 227288488), (95, 215325936), (105, 194818704), (112, 182642535), (114, 179438280), (120, 170466366), (126, 162348920), (133, 153804240), (140, 146114028), (144, 142055305), (152, 134578710), (168, 121761690), (171, 119625520), (180, 113644244), (190, 107662968), (210, 97409352), (228, 89719140), (240, 85233183), (252, 81174460), (266, 76902120), (280, 73057014), (285, 71775312), (304, 67289355), (315, 64939568), (336, 60880845), (342, 59812760), (360, 56822122), (361, 56664720), (380, 53831484), (399, 51268080), (420, 48704676), (456, 44859570), (504, 40587230), (532, 38451060), (560, 36528507), (570, 35887656), (630, 32469784), (665, 30760848), (684, 29906380), (720, 28411061), (722, 28332360), (760, 26915742), (798, 25634040), (840, 24352338), (855, 23925104), (912, 22429785), (1008, 20293615), (1064, 19225530), (1083, 18888240), (1140, 17943828), (1197, 17089360), (1260, 16234892), (1330, 15380424), (1368, 14953190), (1444, 14166180), (1520, 13457871), (1596, 12817020), (1680, 12176169), (1710, 11962552), (1805, 11332944), (1995, 10253616), (2128, 9612765), (2166, 9444120), (2280, 8971914), (2394, 8544680), (2520, 8117446), (2527, 8094960), (2660, 7690212), (2736, 7476595), (2888, 7083090), (3192, 6408510), (3249, 6296080), (3420, 5981276), (3610, 5666472), (3990, 5126808), (4332, 4722060), (4560, 4485957), (4788, 4272340), (5040, 4058723), (5054, 4047480), (5320, 3845106), (5415, 3777648), (5776, 3541545), (5985, 3417872), (6384, 3204255), (6498, 3148040), (6840, 2990638), (7220, 2833236), (7581, 2698320), (7980, 2563404), (8664, 2361030), (9576, 2136170), (10108, 2023740), (10640, 1922553), (10830, 1888824), (11243, 1819440), (11970, 1708936), (12635, 1618992), (12996, 1574020), (13680, 1495319), (14440, 1416618), (15162, 1349160), (15960, 1281702), (16245, 1259216), (17328, 1180515), (19152, 1068085), (20216, 1011870), (21660, 944412), (22486, 909720), (22743, 899440), (23940, 854468), (25270, 809496), (25992, 787010), (28880, 708309), (30324, 674580), (31920, 640851), (32490, 629608), (33729, 606480), (37905, 539664), (40432, 505935), (43320, 472206), (44972, 454860), (45486, 449720), (47880, 427234), (50540, 404748), (51984, 393505), (56215, 363888), (60648, 337290), (64980, 314804), (67458, 303240), (75810, 269832), (78701, 259920), (86640, 236103), (89944, 227430), (90972, 224860), (95760, 213617), (101080, 202374), (101187, 202160), (112430, 181944), (113715, 179888), (121296, 168645), (129960, 157402), (134916, 151620)]