20888738

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{23}}^1\times {\mathrm{2687}}^1$

素因数の和:2738

約数の個数: 24

約数和(自身を含む): 35417088

約数和(自身を除く): 14528350

約数列:

[1, 2, 13, 23, 26, 46, 169, 299, 338, 598, 2687, 3887, 5374, 7774, 34931, 61801, 69862, 123602, 454103, 803413, 908206, 1606826, 10444369, 20888738]

約数ペア:

[(1, 20888738), (2, 10444369), (13, 1606826), (23, 908206), (26, 803413), (46, 454103), (169, 123602), (299, 69862), (338, 61801), (598, 34931), (2687, 7774), (3887, 5374)]