20196640

素因数分解:

$2^5\times 5^1\times {\mathrm{126229}}^1$

素因数の和:126244

約数の個数: 24

約数和(自身を含む): 47714940

約数和(自身を除く): 27518300

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 126229, 252458, 504916, 631145, 1009832, 1262290, 2019664, 2524580, 4039328, 5049160, 10098320, 20196640]

約数ペア:

[(1, 20196640), (2, 10098320), (4, 5049160), (5, 4039328), (8, 2524580), (10, 2019664), (16, 1262290), (20, 1009832), (32, 631145), (40, 504916), (80, 252458), (160, 126229)]