20979691041

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{521}}^1\times {\mathrm{789571}}^1$

素因数の和:790112

約数の個数: 16

約数和(自身を含む): 29675274048

約数和(自身を除く): 8695583007

約数列:

[1, 3, 17, 51, 521, 1563, 8857, 26571, 789571, 2368713, 13422707, 40268121, 411366491, 1234099473, 6993230347, 20979691041]

約数ペア:

[(1, 20979691041), (3, 6993230347), (17, 1234099473), (51, 411366491), (521, 40268121), (1563, 13422707), (8857, 2368713), (26571, 789571)]