20565994010

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{677}}^1\times {\mathrm{74093}}^1$

素因数の和:74818

約数の個数: 32

約数和(自身を含む): 37978213392

約数和(自身を除く): 17412219382

約数列:

[1, 2, 5, 10, 41, 82, 205, 410, 677, 1354, 3385, 6770, 27757, 55514, 74093, 138785, 148186, 277570, 370465, 740930, 3037813, 6075626, 15189065, 30378130, 50160961, 100321922, 250804805, 501609610, 2056599401, 4113198802, 10282997005, 20565994010]

約数ペア:

[(1, 20565994010), (2, 10282997005), (5, 4113198802), (10, 2056599401), (41, 501609610), (82, 250804805), (205, 100321922), (410, 50160961), (677, 30378130), (1354, 15189065), (3385, 6075626), (6770, 3037813), (27757, 740930), (55514, 370465), (74093, 277570), (138785, 148186)]