20015778

素因数分解:

$2^1\times 3^1\times {\mathrm{19}}^1\times {\mathrm{337}}^1\times {\mathrm{521}}^1$

素因数の和:882

約数の個数: 32

約数和(自身を含む): 42344640

約数和(自身を除く): 22328862

約数列:

[1, 2, 3, 6, 19, 38, 57, 114, 337, 521, 674, 1011, 1042, 1563, 2022, 3126, 6403, 9899, 12806, 19209, 19798, 29697, 38418, 59394, 175577, 351154, 526731, 1053462, 3335963, 6671926, 10007889, 20015778]

約数ペア:

[(1, 20015778), (2, 10007889), (3, 6671926), (6, 3335963), (19, 1053462), (38, 526731), (57, 351154), (114, 175577), (337, 59394), (521, 38418), (674, 29697), (1011, 19798), (1042, 19209), (1563, 12806), (2022, 9899), (3126, 6403)]