20756684

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{563}}^1\times {\mathrm{709}}^1$

素因数の和:1289

約数の個数: 24

約数和(自身を含む): 39243120

約数和(自身を除く): 18486436

約数列:

[1, 2, 4, 13, 26, 52, 563, 709, 1126, 1418, 2252, 2836, 7319, 9217, 14638, 18434, 29276, 36868, 399167, 798334, 1596668, 5189171, 10378342, 20756684]

約数ペア:

[(1, 20756684), (2, 10378342), (4, 5189171), (13, 1596668), (26, 798334), (52, 399167), (563, 36868), (709, 29276), (1126, 18434), (1418, 14638), (2252, 9217), (2836, 7319)]