91319420

素因数分解:

$2^2\times 5^1\times {\mathrm{4565971}}^1$

素因数の和:4565980

約数の個数: 12

約数和(自身を含む): 191770824

約数和(自身を除く): 100451404

約数列:

[1, 2, 4, 5, 10, 20, 4565971, 9131942, 18263884, 22829855, 45659710, 91319420]

約数ペア:

[(1, 91319420), (2, 45659710), (4, 22829855), (5, 18263884), (10, 9131942), (20, 4565971)]