20480548

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{191}}^1\times {\mathrm{2437}}^1$

素因数の和:2643

約数の個数: 24

約数和(自身を含む): 39320064

約数和(自身を除く): 18839516

約数列:

[1, 2, 4, 11, 22, 44, 191, 382, 764, 2101, 2437, 4202, 4874, 8404, 9748, 26807, 53614, 107228, 465467, 930934, 1861868, 5120137, 10240274, 20480548]

約数ペア:

[(1, 20480548), (2, 10240274), (4, 5120137), (11, 1861868), (22, 930934), (44, 465467), (191, 107228), (382, 53614), (764, 26807), (2101, 9748), (2437, 8404), (4202, 4874)]