20498764

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{35837}}^1$

素因数の和:35865

約数の個数: 24

約数和(自身を含む): 42145488

約数和(自身を除く): 21646724

約数列:

[1, 2, 4, 11, 13, 22, 26, 44, 52, 143, 286, 572, 35837, 71674, 143348, 394207, 465881, 788414, 931762, 1576828, 1863524, 5124691, 10249382, 20498764]

約数ペア:

[(1, 20498764), (2, 10249382), (4, 5124691), (11, 1863524), (13, 1576828), (22, 931762), (26, 788414), (44, 465881), (52, 394207), (143, 143348), (286, 71674), (572, 35837)]