20571018

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^2\times {\mathrm{20287}}^1$

素因数の和:20318

約数の個数: 24

約数和(自身を含む): 44552448

約数和(自身を除く): 23981430

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 169, 338, 507, 1014, 20287, 40574, 60861, 121722, 263731, 527462, 791193, 1582386, 3428503, 6857006, 10285509, 20571018]

約数ペア:

[(1, 20571018), (2, 10285509), (3, 6857006), (6, 3428503), (13, 1582386), (26, 791193), (39, 527462), (78, 263731), (169, 121722), (338, 60861), (507, 40574), (1014, 20287)]