20729332

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{271}}^1\times {\mathrm{1471}}^1$

素因数の和:1759

約数の個数: 24

約数和(自身を含む): 39237632

約数和(自身を除く): 18508300

約数列:

[1, 2, 4, 13, 26, 52, 271, 542, 1084, 1471, 2942, 3523, 5884, 7046, 14092, 19123, 38246, 76492, 398641, 797282, 1594564, 5182333, 10364666, 20729332]

約数ペア:

[(1, 20729332), (2, 10364666), (4, 5182333), (13, 1594564), (26, 797282), (52, 398641), (271, 76492), (542, 38246), (1084, 19123), (1471, 14092), (2942, 7046), (3523, 5884)]