20372294878

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{1181}}^1\times {\mathrm{663463}}^1$

素因数の和:664659

約数の個数: 16

約数和(自身を含む): 32937006816

約数和(自身を除く): 12564711938

約数列:

[1, 2, 13, 26, 1181, 2362, 15353, 30706, 663463, 1326926, 8625019, 17250038, 783549803, 1567099606, 10186147439, 20372294878]

約数ペア:

[(1, 20372294878), (2, 10186147439), (13, 1567099606), (26, 783549803), (1181, 17250038), (2362, 8625019), (15353, 1326926), (30706, 663463)]