690102020

素因数分解:

$2^2\times 5^1\times {\mathrm{1697}}^1\times {\mathrm{20333}}^1$

素因数の和:22039

約数の個数: 24

約数和(自身を含む): 1450139544

約数和(自身を除く): 760037524

約数列:

[1, 2, 4, 5, 10, 20, 1697, 3394, 6788, 8485, 16970, 20333, 33940, 40666, 81332, 101665, 203330, 406660, 34505101, 69010202, 138020404, 172525505, 345051010, 690102020]

約数ペア:

[(1, 690102020), (2, 345051010), (4, 172525505), (5, 138020404), (10, 69010202), (20, 34505101), (1697, 406660), (3394, 203330), (6788, 101665), (8485, 81332), (16970, 40666), (20333, 33940)]