20140947620

素因数分解:

$2^2\times 5^1\times {\mathrm{661}}^1\times {\mathrm{1523521}}^1$

素因数の和:1524191

約数の個数: 24

約数和(自身を含む): 42360005688

約数和(自身を除く): 22219058068

約数列:

[1, 2, 4, 5, 10, 20, 661, 1322, 2644, 3305, 6610, 13220, 1523521, 3047042, 6094084, 7617605, 15235210, 30470420, 1007047381, 2014094762, 4028189524, 5035236905, 10070473810, 20140947620]

約数ペア:

[(1, 20140947620), (2, 10070473810), (4, 5035236905), (5, 4028189524), (10, 2014094762), (20, 1007047381), (661, 30470420), (1322, 15235210), (2644, 7617605), (3305, 6094084), (6610, 3047042), (13220, 1523521)]