20401576

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{196169}}^1$

素因数の和:196188

約数の個数: 16

約数和(自身を含む): 41195700

約数和(自身を除く): 20794124

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 196169, 392338, 784676, 1569352, 2550197, 5100394, 10200788, 20401576]

約数ペア:

[(1, 20401576), (2, 10200788), (4, 5100394), (8, 2550197), (13, 1569352), (26, 784676), (52, 392338), (104, 196169)]