20790638

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{20107}}^1$

素因数の和:20167

約数の個数: 16

約数和(自身を含む): 34746624

約数和(自身を除く): 13955986

約数列:

[1, 2, 11, 22, 47, 94, 517, 1034, 20107, 40214, 221177, 442354, 945029, 1890058, 10395319, 20790638]

約数ペア:

[(1, 20790638), (2, 10395319), (11, 1890058), (22, 945029), (47, 442354), (94, 221177), (517, 40214), (1034, 20107)]