20518966

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{3571}}^1$

素因数の和:3616

約数の個数: 24

約数和(自身を含む): 35298504

約数和(自身を除く): 14779538

約数列:

[1, 2, 13, 17, 26, 34, 169, 221, 338, 442, 2873, 3571, 5746, 7142, 46423, 60707, 92846, 121414, 603499, 789191, 1206998, 1578382, 10259483, 20518966]

約数ペア:

[(1, 20518966), (2, 10259483), (13, 1578382), (17, 1206998), (26, 789191), (34, 603499), (169, 121414), (221, 92846), (338, 60707), (442, 46423), (2873, 7142), (3571, 5746)]