20949191996

素因数分解:

$2^2\times {\mathrm{149}}^1\times {\mathrm{389}}^1\times {\mathrm{90359}}^1$

素因数の和:90901

約数の個数: 24

約数和(自身を含む): 37002420000

約数和(自身を除く): 16053228004

約数列:

[1, 2, 4, 149, 298, 389, 596, 778, 1556, 57961, 90359, 115922, 180718, 231844, 361436, 13463491, 26926982, 35149651, 53853964, 70299302, 140598604, 5237297999, 10474595998, 20949191996]

約数ペア:

[(1, 20949191996), (2, 10474595998), (4, 5237297999), (149, 140598604), (298, 70299302), (389, 53853964), (596, 35149651), (778, 26926982), (1556, 13463491), (57961, 361436), (90359, 231844), (115922, 180718)]