20168099540

素因数分解:

$2^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{71}}^1\times {\mathrm{89}}^1\times {\mathrm{3011}}^1$

素因数の和:3233

約数の個数: 96

約数和(自身を含む): 44266279680

約数和(自身を除く): 24098180140

約数列:

[1, 2, 4, 5, 10, 20, 53, 71, 89, 106, 142, 178, 212, 265, 284, 355, 356, 445, 530, 710, 890, 1060, 1420, 1780, 3011, 3763, 4717, 6022, 6319, 7526, 9434, 12044, 12638, 15052, 15055, 18815, 18868, 23585, 25276, 30110, 31595, 37630, 47170, 60220, 63190, 75260, 94340, 126380, 159583, 213781, 267979, 319166, 334907, 427562, 535958, 638332, 669814, 797915, 855124, 1068905, 1071916, 1339628, 1339895, 1595830, 1674535, 2137810, 2679790, 3191660, 3349070, 4275620, 5359580, 6698140, 11330393, 14202887, 19026509, 22660786, 28405774, 38053018, 45321572, 56651965, 56811548, 71014435, 76106036, 95132545, 113303930, 142028870, 190265090, 226607860, 284057740, 380530180, 1008404977, 2016809954, 4033619908, 5042024885, 10084049770, 20168099540]

約数ペア:

[(1, 20168099540), (2, 10084049770), (4, 5042024885), (5, 4033619908), (10, 2016809954), (20, 1008404977), (53, 380530180), (71, 284057740), (89, 226607860), (106, 190265090), (142, 142028870), (178, 113303930), (212, 95132545), (265, 76106036), (284, 71014435), (355, 56811548), (356, 56651965), (445, 45321572), (530, 38053018), (710, 28405774), (890, 22660786), (1060, 19026509), (1420, 14202887), (1780, 11330393), (3011, 6698140), (3763, 5359580), (4717, 4275620), (6022, 3349070), (6319, 3191660), (7526, 2679790), (9434, 2137810), (12044, 1674535), (12638, 1595830), (15052, 1339895), (15055, 1339628), (18815, 1071916), (18868, 1068905), (23585, 855124), (25276, 797915), (30110, 669814), (31595, 638332), (37630, 535958), (47170, 427562), (60220, 334907), (63190, 319166), (75260, 267979), (94340, 213781), (126380, 159583)]