20163770120

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{1048013}}^1$

素因数の和:1048074

約数の個数: 64

約数和(自身を含む): 50178910320

約数和(自身を除く): 30015140200

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 37, 40, 52, 65, 74, 104, 130, 148, 185, 260, 296, 370, 481, 520, 740, 962, 1480, 1924, 2405, 3848, 4810, 9620, 19240, 1048013, 2096026, 4192052, 5240065, 8384104, 10480130, 13624169, 20960260, 27248338, 38776481, 41920520, 54496676, 68120845, 77552962, 108993352, 136241690, 155105924, 193882405, 272483380, 310211848, 387764810, 504094253, 544966760, 775529620, 1008188506, 1551059240, 2016377012, 2520471265, 4032754024, 5040942530, 10081885060, 20163770120]

約数ペア:

[(1, 20163770120), (2, 10081885060), (4, 5040942530), (5, 4032754024), (8, 2520471265), (10, 2016377012), (13, 1551059240), (20, 1008188506), (26, 775529620), (37, 544966760), (40, 504094253), (52, 387764810), (65, 310211848), (74, 272483380), (104, 193882405), (130, 155105924), (148, 136241690), (185, 108993352), (260, 77552962), (296, 68120845), (370, 54496676), (481, 41920520), (520, 38776481), (740, 27248338), (962, 20960260), (1480, 13624169), (1924, 10480130), (2405, 8384104), (3848, 5240065), (4810, 4192052), (9620, 2096026), (19240, 1048013)]