20333187680

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{127}}^1\times {\mathrm{191}}^1$

素因数の和:390

約数の個数: 288

約数和(自身を含む): 54400647168

約数和(自身を除く): 34067459488

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 32, 40, 52, 62, 65, 80, 104, 124, 127, 130, 155, 160, 169, 191, 208, 248, 254, 260, 310, 338, 382, 403, 416, 496, 508, 520, 620, 635, 676, 764, 806, 845, 955, 992, 1016, 1040, 1240, 1270, 1352, 1528, 1612, 1651, 1690, 1910, 2015, 2032, 2080, 2480, 2483, 2540, 2704, 3056, 3224, 3302, 3380, 3820, 3937, 4030, 4064, 4960, 4966, 5080, 5239, 5408, 5921, 6112, 6448, 6604, 6760, 7640, 7874, 8060, 8255, 9932, 10160, 10478, 11842, 12415, 12896, 13208, 13520, 15280, 15748, 16120, 16510, 19685, 19864, 20320, 20956, 21463, 23684, 24257, 24830, 26195, 26416, 27040, 29605, 30560, 31496, 32240, 32279, 33020, 39370, 39728, 41912, 42926, 47368, 48514, 49660, 51181, 52390, 52832, 59210, 62992, 64480, 64558, 66040, 76973, 78740, 79456, 83824, 85852, 94736, 97028, 99320, 102362, 104780, 107315, 118420, 121285, 125984, 129116, 132080, 153946, 157480, 161395, 167648, 171704, 189472, 194056, 198640, 204724, 209560, 214630, 236840, 242570, 255905, 258232, 264160, 307892, 314960, 315341, 322790, 343408, 384865, 388112, 397280, 409448, 419120, 429260, 473680, 485140, 511810, 516464, 615784, 629920, 630682, 645580, 665353, 686816, 751967, 769730, 776224, 818896, 838240, 858520, 947360, 970280, 1000649, 1023620, 1032928, 1231568, 1261364, 1291160, 1330706, 1503934, 1539460, 1576705, 1637792, 1717040, 1940560, 2001298, 2047240, 2463136, 2522728, 2582320, 2661412, 3007868, 3078920, 3153410, 3326765, 3434080, 3759835, 3881120, 4002596, 4094480, 4099433, 5003245, 5045456, 5164640, 5322824, 6015736, 6157840, 6306820, 6653530, 7519670, 8005192, 8188960, 8198866, 9775571, 10006490, 10090912, 10645648, 12031472, 12315680, 12613640, 13307060, 15039340, 16010384, 16397732, 19551142, 20012980, 20497165, 21291296, 24062944, 25227280, 26614120, 30078680, 32020768, 32795464, 39102284, 40025960, 40994330, 48877855, 50454560, 53228240, 60157360, 65590928, 78204568, 80051920, 81988660, 97755710, 106456480, 120314720, 127082423, 131181856, 156409136, 160103840, 163977320, 195511420, 254164846, 312818272, 327954640, 391022840, 508329692, 635412115, 655909280, 782045680, 1016659384, 1270824230, 1564091360, 2033318768, 2541648460, 4066637536, 5083296920, 10166593840, 20333187680]

約数ペア:

[(1, 20333187680), (2, 10166593840), (4, 5083296920), (5, 4066637536), (8, 2541648460), (10, 2033318768), (13, 1564091360), (16, 1270824230), (20, 1016659384), (26, 782045680), (31, 655909280), (32, 635412115), (40, 508329692), (52, 391022840), (62, 327954640), (65, 312818272), (80, 254164846), (104, 195511420), (124, 163977320), (127, 160103840), (130, 156409136), (155, 131181856), (160, 127082423), (169, 120314720), (191, 106456480), (208, 97755710), (248, 81988660), (254, 80051920), (260, 78204568), (310, 65590928), (338, 60157360), (382, 53228240), (403, 50454560), (416, 48877855), (496, 40994330), (508, 40025960), (520, 39102284), (620, 32795464), (635, 32020768), (676, 30078680), (764, 26614120), (806, 25227280), (845, 24062944), (955, 21291296), (992, 20497165), (1016, 20012980), (1040, 19551142), (1240, 16397732), (1270, 16010384), (1352, 15039340), (1528, 13307060), (1612, 12613640), (1651, 12315680), (1690, 12031472), (1910, 10645648), (2015, 10090912), (2032, 10006490), (2080, 9775571), (2480, 8198866), (2483, 8188960), (2540, 8005192), (2704, 7519670), (3056, 6653530), (3224, 6306820), (3302, 6157840), (3380, 6015736), (3820, 5322824), (3937, 5164640), (4030, 5045456), (4064, 5003245), (4960, 4099433), (4966, 4094480), (5080, 4002596), (5239, 3881120), (5408, 3759835), (5921, 3434080), (6112, 3326765), (6448, 3153410), (6604, 3078920), (6760, 3007868), (7640, 2661412), (7874, 2582320), (8060, 2522728), (8255, 2463136), (9932, 2047240), (10160, 2001298), (10478, 1940560), (11842, 1717040), (12415, 1637792), (12896, 1576705), (13208, 1539460), (13520, 1503934), (15280, 1330706), (15748, 1291160), (16120, 1261364), (16510, 1231568), (19685, 1032928), (19864, 1023620), (20320, 1000649), (20956, 970280), (21463, 947360), (23684, 858520), (24257, 838240), (24830, 818896), (26195, 776224), (26416, 769730), (27040, 751967), (29605, 686816), (30560, 665353), (31496, 645580), (32240, 630682), (32279, 629920), (33020, 615784), (39370, 516464), (39728, 511810), (41912, 485140), (42926, 473680), (47368, 429260), (48514, 419120), (49660, 409448), (51181, 397280), (52390, 388112), (52832, 384865), (59210, 343408), (62992, 322790), (64480, 315341), (64558, 314960), (66040, 307892), (76973, 264160), (78740, 258232), (79456, 255905), (83824, 242570), (85852, 236840), (94736, 214630), (97028, 209560), (99320, 204724), (102362, 198640), (104780, 194056), (107315, 189472), (118420, 171704), (121285, 167648), (125984, 161395), (129116, 157480), (132080, 153946)]