20237747915

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{397}}^1\times {\mathrm{12037}}^1$

素因数の和:12468

約数の個数: 48

約数和(自身を含む): 30586535616

約数和(自身を除く): 10348787701

約数列:

[1, 5, 7, 11, 35, 55, 77, 121, 385, 397, 605, 847, 1985, 2779, 4235, 4367, 12037, 13895, 21835, 30569, 48037, 60185, 84259, 132407, 152845, 240185, 336259, 421295, 662035, 926849, 1456477, 1681295, 4634245, 4778689, 7282385, 10195339, 23893445, 33450823, 50976695, 52565579, 167254115, 262827895, 367959053, 578221369, 1839795265, 2891106845, 4047549583, 20237747915]

約数ペア:

[(1, 20237747915), (5, 4047549583), (7, 2891106845), (11, 1839795265), (35, 578221369), (55, 367959053), (77, 262827895), (121, 167254115), (385, 52565579), (397, 50976695), (605, 33450823), (847, 23893445), (1985, 10195339), (2779, 7282385), (4235, 4778689), (4367, 4634245), (12037, 1681295), (13895, 1456477), (21835, 926849), (30569, 662035), (48037, 421295), (60185, 336259), (84259, 240185), (132407, 152845)]