2099681020

素因数分解:

$2^2\times 5^1\times {\mathrm{487}}^1\times {\mathrm{215573}}^1$

素因数の和:216069

約数の個数: 24

約数和(自身を含む): 4418404704

約数和(自身を除く): 2318723684

約数列:

[1, 2, 4, 5, 10, 20, 487, 974, 1948, 2435, 4870, 9740, 215573, 431146, 862292, 1077865, 2155730, 4311460, 104984051, 209968102, 419936204, 524920255, 1049840510, 2099681020]

約数ペア:

[(1, 2099681020), (2, 1049840510), (4, 524920255), (5, 419936204), (10, 209968102), (20, 104984051), (487, 4311460), (974, 2155730), (1948, 1077865), (2435, 862292), (4870, 431146), (9740, 215573)]