20772011

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{193}}^1\times {\mathrm{487}}^1$

素因数の和:710

約数の個数: 16

約数和(自身を含む): 23857344

約数和(自身を除く): 3085333

約数列:

[1, 13, 17, 193, 221, 487, 2509, 3281, 6331, 8279, 42653, 93991, 107627, 1221883, 1597847, 20772011]

約数ペア:

[(1, 20772011), (13, 1597847), (17, 1221883), (193, 107627), (221, 93991), (487, 42653), (2509, 8279), (3281, 6331)]