20187020427

素因数分解:

$3^1\times 7^1\times {\mathrm{151}}^1\times {\mathrm{6366137}}^1$

素因数の和:6366298

約数の個数: 16

約数和(自身を含む): 30964895232

約数和(自身を除く): 10777874805

約数列:

[1, 3, 7, 21, 151, 453, 1057, 3171, 6366137, 19098411, 44562959, 133688877, 961286687, 2883860061, 6729006809, 20187020427]

約数ペア:

[(1, 20187020427), (3, 6729006809), (7, 2883860061), (21, 961286687), (151, 133688877), (453, 44562959), (1057, 19098411), (3171, 6366137)]