20880562

素因数分解:

$2^1\times {\mathrm{41}}^1\times {\mathrm{149}}^1\times {\mathrm{1709}}^1$

素因数の和:1901

約数の個数: 16

約数和(自身を含む): 32319000

約数和(自身を除く): 11438438

約数列:

[1, 2, 41, 82, 149, 298, 1709, 3418, 6109, 12218, 70069, 140138, 254641, 509282, 10440281, 20880562]

約数ペア:

[(1, 20880562), (2, 10440281), (41, 509282), (82, 254641), (149, 140138), (298, 70069), (1709, 12218), (3418, 6109)]