20289914

素因数分解:

$2^1\times {\mathrm{109}}^1\times {\mathrm{163}}^1\times {\mathrm{571}}^1$

素因数の和:845

約数の個数: 16

約数和(自身を含む): 30956640

約数和(自身を除く): 10666726

約数列:

[1, 2, 109, 163, 218, 326, 571, 1142, 17767, 35534, 62239, 93073, 124478, 186146, 10144957, 20289914]

約数ペア:

[(1, 20289914), (2, 10144957), (109, 186146), (163, 124478), (218, 93073), (326, 62239), (571, 35534), (1142, 17767)]