20009158

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{8647}}^1$

素因数の和:8751

約数の個数: 16

約数和(自身を含む): 32689440

約数和(自身を除く): 12680282

約数列:

[1, 2, 13, 26, 89, 178, 1157, 2314, 8647, 17294, 112411, 224822, 769583, 1539166, 10004579, 20009158]

約数ペア:

[(1, 20009158), (2, 10004579), (13, 1539166), (26, 769583), (89, 224822), (178, 112411), (1157, 17294), (2314, 8647)]