199983020

素因数分解:

$2^2\times 5^1\times {\mathrm{887}}^1\times {\mathrm{11273}}^1$

素因数の和:12169

約数の個数: 24

約数和(自身を含む): 420475104

約数和(自身を除く): 220492084

約数列:

[1, 2, 4, 5, 10, 20, 887, 1774, 3548, 4435, 8870, 11273, 17740, 22546, 45092, 56365, 112730, 225460, 9999151, 19998302, 39996604, 49995755, 99991510, 199983020]

約数ペア:

[(1, 199983020), (2, 99991510), (4, 49995755), (5, 39996604), (10, 19998302), (20, 9999151), (887, 225460), (1774, 112730), (3548, 56365), (4435, 45092), (8870, 22546), (11273, 17740)]