20478522069

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{7213}}^1\times {\mathrm{16603}}^1$

素因数の和:23841

約数の個数: 24

約数和(自身を含む): 31143126560

約数和(自身を除く): 10664604491

約数列:

[1, 3, 9, 19, 57, 171, 7213, 16603, 21639, 49809, 64917, 137047, 149427, 315457, 411141, 946371, 1233423, 2839113, 119757439, 359272317, 1077816951, 2275391341, 6826174023, 20478522069]

約数ペア:

[(1, 20478522069), (3, 6826174023), (9, 2275391341), (19, 1077816951), (57, 359272317), (171, 119757439), (7213, 2839113), (16603, 1233423), (21639, 946371), (49809, 411141), (64917, 315457), (137047, 149427)]