20987344560

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{56527}}^1$

素因数の和:56580

約数の個数: 320

約数和(自身を含む): 84786573312

約数和(自身を除く): 63799228752

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 16, 17, 20, 21, 24, 26, 28, 30, 34, 35, 39, 40, 42, 48, 51, 52, 56, 60, 65, 68, 70, 78, 80, 84, 85, 91, 102, 104, 105, 112, 119, 120, 130, 136, 140, 156, 168, 170, 182, 195, 204, 208, 210, 221, 238, 240, 255, 260, 272, 273, 280, 312, 336, 340, 357, 364, 390, 408, 420, 442, 455, 476, 510, 520, 546, 560, 595, 624, 663, 680, 714, 728, 780, 816, 840, 884, 910, 952, 1020, 1040, 1092, 1105, 1190, 1326, 1360, 1365, 1428, 1456, 1547, 1560, 1680, 1768, 1785, 1820, 1904, 2040, 2184, 2210, 2380, 2652, 2730, 2856, 3094, 3120, 3315, 3536, 3570, 3640, 4080, 4368, 4420, 4641, 4760, 5304, 5460, 5712, 6188, 6630, 7140, 7280, 7735, 8840, 9282, 9520, 10608, 10920, 12376, 13260, 14280, 15470, 17680, 18564, 21840, 23205, 24752, 26520, 28560, 30940, 37128, 46410, 53040, 56527, 61880, 74256, 92820, 113054, 123760, 169581, 185640, 226108, 282635, 339162, 371280, 395689, 452216, 565270, 678324, 734851, 791378, 847905, 904432, 960959, 1130540, 1187067, 1356648, 1469702, 1582756, 1695810, 1921918, 1978445, 2204553, 2261080, 2374134, 2713296, 2882877, 2939404, 3165512, 3391620, 3674255, 3843836, 3956890, 4409106, 4522160, 4748268, 4804795, 5143957, 5765754, 5878808, 5935335, 6331024, 6726713, 6783240, 7348510, 7687672, 7913780, 8818212, 9496536, 9609590, 10287914, 11022765, 11531508, 11757616, 11870670, 12492467, 13453426, 13566480, 14414385, 14697020, 15375344, 15431871, 15827560, 17636424, 18993072, 19219180, 20180139, 20575828, 22045530, 23063016, 23741340, 24984934, 25719785, 26906852, 28828770, 29394040, 30863742, 31655120, 33633565, 35272848, 37477401, 38438360, 40360278, 41151656, 44091060, 46126032, 47482680, 49969868, 51439570, 53813704, 57657540, 58788080, 61727484, 62462335, 67267130, 74954802, 76876720, 77159355, 80720556, 82303312, 87447269, 88182120, 94965360, 99939736, 100900695, 102879140, 107627408, 115315080, 123454968, 124924670, 134534260, 149909604, 154318710, 161441112, 174894538, 176364240, 187387005, 199879472, 201801390, 205758280, 230630160, 246909936, 249849340, 262341807, 269068520, 299819208, 308637420, 322882224, 349789076, 374774010, 403602780, 411516560, 437236345, 499698680, 524683614, 538137040, 599638416, 617274840, 699578152, 749548020, 807205560, 874472690, 999397360, 1049367228, 1234549680, 1311709035, 1399156304, 1499096040, 1614411120, 1748945380, 2098734456, 2623418070, 2998192080, 3497890760, 4197468912, 5246836140, 6995781520, 10493672280, 20987344560]

約数ペア:

[(1, 20987344560), (2, 10493672280), (3, 6995781520), (4, 5246836140), (5, 4197468912), (6, 3497890760), (7, 2998192080), (8, 2623418070), (10, 2098734456), (12, 1748945380), (13, 1614411120), (14, 1499096040), (15, 1399156304), (16, 1311709035), (17, 1234549680), (20, 1049367228), (21, 999397360), (24, 874472690), (26, 807205560), (28, 749548020), (30, 699578152), (34, 617274840), (35, 599638416), (39, 538137040), (40, 524683614), (42, 499698680), (48, 437236345), (51, 411516560), (52, 403602780), (56, 374774010), (60, 349789076), (65, 322882224), (68, 308637420), (70, 299819208), (78, 269068520), (80, 262341807), (84, 249849340), (85, 246909936), (91, 230630160), (102, 205758280), (104, 201801390), (105, 199879472), (112, 187387005), (119, 176364240), (120, 174894538), (130, 161441112), (136, 154318710), (140, 149909604), (156, 134534260), (168, 124924670), (170, 123454968), (182, 115315080), (195, 107627408), (204, 102879140), (208, 100900695), (210, 99939736), (221, 94965360), (238, 88182120), (240, 87447269), (255, 82303312), (260, 80720556), (272, 77159355), (273, 76876720), (280, 74954802), (312, 67267130), (336, 62462335), (340, 61727484), (357, 58788080), (364, 57657540), (390, 53813704), (408, 51439570), (420, 49969868), (442, 47482680), (455, 46126032), (476, 44091060), (510, 41151656), (520, 40360278), (546, 38438360), (560, 37477401), (595, 35272848), (624, 33633565), (663, 31655120), (680, 30863742), (714, 29394040), (728, 28828770), (780, 26906852), (816, 25719785), (840, 24984934), (884, 23741340), (910, 23063016), (952, 22045530), (1020, 20575828), (1040, 20180139), (1092, 19219180), (1105, 18993072), (1190, 17636424), (1326, 15827560), (1360, 15431871), (1365, 15375344), (1428, 14697020), (1456, 14414385), (1547, 13566480), (1560, 13453426), (1680, 12492467), (1768, 11870670), (1785, 11757616), (1820, 11531508), (1904, 11022765), (2040, 10287914), (2184, 9609590), (2210, 9496536), (2380, 8818212), (2652, 7913780), (2730, 7687672), (2856, 7348510), (3094, 6783240), (3120, 6726713), (3315, 6331024), (3536, 5935335), (3570, 5878808), (3640, 5765754), (4080, 5143957), (4368, 4804795), (4420, 4748268), (4641, 4522160), (4760, 4409106), (5304, 3956890), (5460, 3843836), (5712, 3674255), (6188, 3391620), (6630, 3165512), (7140, 2939404), (7280, 2882877), (7735, 2713296), (8840, 2374134), (9282, 2261080), (9520, 2204553), (10608, 1978445), (10920, 1921918), (12376, 1695810), (13260, 1582756), (14280, 1469702), (15470, 1356648), (17680, 1187067), (18564, 1130540), (21840, 960959), (23205, 904432), (24752, 847905), (26520, 791378), (28560, 734851), (30940, 678324), (37128, 565270), (46410, 452216), (53040, 395689), (56527, 371280), (61880, 339162), (74256, 282635), (92820, 226108), (113054, 185640), (123760, 169581)]