20183287792

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{1489}}^1\times {\mathrm{20663}}^1$

素因数の和:22201

約数の個数: 40

約数和(自身を含む): 40087746720

約数和(自身を除く): 19904458928

約数列:

[1, 2, 4, 8, 16, 41, 82, 164, 328, 656, 1489, 2978, 5956, 11912, 20663, 23824, 41326, 61049, 82652, 122098, 165304, 244196, 330608, 488392, 847183, 976784, 1694366, 3388732, 6777464, 13554928, 30767207, 61534414, 123068828, 246137656, 492275312, 1261455487, 2522910974, 5045821948, 10091643896, 20183287792]

約数ペア:

[(1, 20183287792), (2, 10091643896), (4, 5045821948), (8, 2522910974), (16, 1261455487), (41, 492275312), (82, 246137656), (164, 123068828), (328, 61534414), (656, 30767207), (1489, 13554928), (2978, 6777464), (5956, 3388732), (11912, 1694366), (20663, 976784), (23824, 847183), (41326, 488392), (61049, 330608), (82652, 244196), (122098, 165304)]