20791112

素因数分解:

$2^3\times {\mathrm{89}}^1\times {\mathrm{29201}}^1$

素因数の和:29296

約数の個数: 16

約数和(自身を含む): 39422700

約数和(自身を除く): 18631588

約数列:

[1, 2, 4, 8, 89, 178, 356, 712, 29201, 58402, 116804, 233608, 2598889, 5197778, 10395556, 20791112]

約数ペア:

[(1, 20791112), (2, 10395556), (4, 5197778), (8, 2598889), (89, 233608), (178, 116804), (356, 58402), (712, 29201)]