20077156

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{191}}^1\times {\mathrm{2389}}^1$

素因数の和:2595

約数の個数: 24

約数和(自身を含む): 38545920

約数和(自身を除く): 18468764

約数列:

[1, 2, 4, 11, 22, 44, 191, 382, 764, 2101, 2389, 4202, 4778, 8404, 9556, 26279, 52558, 105116, 456299, 912598, 1825196, 5019289, 10038578, 20077156]

約数ペア:

[(1, 20077156), (2, 10038578), (4, 5019289), (11, 1825196), (22, 912598), (44, 456299), (191, 105116), (382, 52558), (764, 26279), (2101, 9556), (2389, 8404), (4202, 4778)]