20457112

素因数分解:

$2^3\times {\mathrm{13}}^2\times {\mathrm{15131}}^1$

素因数の和:15163

約数の個数: 24

約数和(自身を含む): 41537340

約数和(自身を除く): 21080228

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 169, 338, 676, 1352, 15131, 30262, 60524, 121048, 196703, 393406, 786812, 1573624, 2557139, 5114278, 10228556, 20457112]

約数ペア:

[(1, 20457112), (2, 10228556), (4, 5114278), (8, 2557139), (13, 1573624), (26, 786812), (52, 393406), (104, 196703), (169, 121048), (338, 60524), (676, 30262), (1352, 15131)]