20962136

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{3803}}^1$

素因数の和:3875

約数の個数: 32

約数和(自身を含む): 43137360

約数和(自身を除く): 22175224

約数列:

[1, 2, 4, 8, 13, 26, 52, 53, 104, 106, 212, 424, 689, 1378, 2756, 3803, 5512, 7606, 15212, 30424, 49439, 98878, 197756, 201559, 395512, 403118, 806236, 1612472, 2620267, 5240534, 10481068, 20962136]

約数ペア:

[(1, 20962136), (2, 10481068), (4, 5240534), (8, 2620267), (13, 1612472), (26, 806236), (52, 403118), (53, 395512), (104, 201559), (106, 197756), (212, 98878), (424, 49439), (689, 30424), (1378, 15212), (2756, 7606), (3803, 5512)]