20139903620

素因数分解:

$2^2\times 5^1\times {\mathrm{313}}^1\times {\mathrm{811}}^1\times {\mathrm{3967}}^1$

素因数の和:5100

約数の個数: 48

約数和(自身を含む): 42491947008

約数和(自身を除く): 22352043388

約数列:

[1, 2, 4, 5, 10, 20, 313, 626, 811, 1252, 1565, 1622, 3130, 3244, 3967, 4055, 6260, 7934, 8110, 15868, 16220, 19835, 39670, 79340, 253843, 507686, 1015372, 1241671, 1269215, 2483342, 2538430, 3217237, 4966684, 5076860, 6208355, 6434474, 12416710, 12868948, 16086185, 24833420, 32172370, 64344740, 1006995181, 2013990362, 4027980724, 5034975905, 10069951810, 20139903620]

約数ペア:

[(1, 20139903620), (2, 10069951810), (4, 5034975905), (5, 4027980724), (10, 2013990362), (20, 1006995181), (313, 64344740), (626, 32172370), (811, 24833420), (1252, 16086185), (1565, 12868948), (1622, 12416710), (3130, 6434474), (3244, 6208355), (3967, 5076860), (4055, 4966684), (6260, 3217237), (7934, 2538430), (8110, 2483342), (15868, 1269215), (16220, 1241671), (19835, 1015372), (39670, 507686), (79340, 253843)]