20957586

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{1933}}^1$

素因数の和:2090

約数の個数: 32

約数和(自身を含む): 45487680

約数和(自身を除く): 24530094

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 139, 278, 417, 834, 1807, 1933, 3614, 3866, 5421, 5799, 10842, 11598, 25129, 50258, 75387, 150774, 268687, 537374, 806061, 1612122, 3492931, 6985862, 10478793, 20957586]

約数ペア:

[(1, 20957586), (2, 10478793), (3, 6985862), (6, 3492931), (13, 1612122), (26, 806061), (39, 537374), (78, 268687), (139, 150774), (278, 75387), (417, 50258), (834, 25129), (1807, 11598), (1933, 10842), (3614, 5799), (3866, 5421)]