20754748

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{23911}}^1$

素因数の和:23953

約数の個数: 24

約数和(自身を含む): 42850304

約数和(自身を除く): 22095556

約数列:

[1, 2, 4, 7, 14, 28, 31, 62, 124, 217, 434, 868, 23911, 47822, 95644, 167377, 334754, 669508, 741241, 1482482, 2964964, 5188687, 10377374, 20754748]

約数ペア:

[(1, 20754748), (2, 10377374), (4, 5188687), (7, 2964964), (14, 1482482), (28, 741241), (31, 669508), (62, 334754), (124, 167377), (217, 95644), (434, 47822), (868, 23911)]