20189332821

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{56552753}}^1$

素因数の和:56552780

約数の個数: 16

約数和(自身を含む): 32574386304

約数和(自身を除く): 12385053483

約数列:

[1, 3, 7, 17, 21, 51, 119, 357, 56552753, 169658259, 395869271, 961396801, 1187607813, 2884190403, 6729777607, 20189332821]

約数ペア:

[(1, 20189332821), (3, 6729777607), (7, 2884190403), (17, 1187607813), (21, 961396801), (51, 395869271), (119, 169658259), (357, 56552753)]