20951656

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{5807}}^1$

素因数の和:5865

約数の個数: 32

約数和(自身を含む): 43908480

約数和(自身を除く): 22956824

約数列:

[1, 2, 4, 8, 11, 22, 41, 44, 82, 88, 164, 328, 451, 902, 1804, 3608, 5807, 11614, 23228, 46456, 63877, 127754, 238087, 255508, 476174, 511016, 952348, 1904696, 2618957, 5237914, 10475828, 20951656]

約数ペア:

[(1, 20951656), (2, 10475828), (4, 5237914), (8, 2618957), (11, 1904696), (22, 952348), (41, 511016), (44, 476174), (82, 255508), (88, 238087), (164, 127754), (328, 63877), (451, 46456), (902, 23228), (1804, 11614), (3608, 5807)]