20616350

素因数分解:

$2^1\times 5^2\times {\mathrm{43}}^2\times {\mathrm{223}}^1$

素因数の和:321

約数の個数: 36

約数和(自身を含む): 39434976

約数和(自身を除く): 18818626

約数列:

[1, 2, 5, 10, 25, 43, 50, 86, 215, 223, 430, 446, 1075, 1115, 1849, 2150, 2230, 3698, 5575, 9245, 9589, 11150, 18490, 19178, 46225, 47945, 92450, 95890, 239725, 412327, 479450, 824654, 2061635, 4123270, 10308175, 20616350]

約数ペア:

[(1, 20616350), (2, 10308175), (5, 4123270), (10, 2061635), (25, 824654), (43, 479450), (50, 412327), (86, 239725), (215, 95890), (223, 92450), (430, 47945), (446, 46225), (1075, 19178), (1115, 18490), (1849, 11150), (2150, 9589), (2230, 9245), (3698, 5575)]