20199208367

素因数分解:

${\mathrm{13}}^2\times {\mathrm{53}}^1\times {\mathrm{2255131}}^1$

素因数の和:2255210

約数の個数: 12

約数和(自身を含む): 22285214424

約数和(自身を除く): 2086006057

約数列:

[1, 13, 53, 169, 689, 8957, 2255131, 29316703, 119521943, 381117139, 1553785259, 20199208367]

約数ペア:

[(1, 20199208367), (13, 1553785259), (53, 381117139), (169, 119521943), (689, 29316703), (8957, 2255131)]