20808211754

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{1153}}^1\times {\mathrm{820319}}^1$

素因数の和:821485

約数の個数: 16

約数和(自身を含む): 34079374080

約数和(自身を除く): 13271162326

約数列:

[1, 2, 11, 22, 1153, 2306, 12683, 25366, 820319, 1640638, 9023509, 18047018, 945827807, 1891655614, 10404105877, 20808211754]

約数ペア:

[(1, 20808211754), (2, 10404105877), (11, 1891655614), (22, 945827807), (1153, 18047018), (2306, 9023509), (12683, 1640638), (25366, 820319)]