97821820

素因数分解:

$2^2\times 5^1\times {\mathrm{4891091}}^1$

素因数の和:4891100

約数の個数: 12

約数和(自身を含む): 205425864

約数和(自身を除く): 107604044

約数列:

[1, 2, 4, 5, 10, 20, 4891091, 9782182, 19564364, 24455455, 48910910, 97821820]

約数ペア:

[(1, 97821820), (2, 48910910), (4, 24455455), (5, 19564364), (10, 9782182), (20, 4891091)]