20997103673

素因数分解:

$7^1\times {\mathrm{13}}^2\times {\mathrm{23}}^1\times {\mathrm{771697}}^1$

素因数の和:771753

約数の個数: 24

約数和(自身を含む): 27114380928

約数和(自身を除く): 6117277255

約数列:

[1, 7, 13, 23, 91, 161, 169, 299, 1183, 2093, 3887, 27209, 771697, 5401879, 10032061, 17749031, 70224427, 124243217, 130416793, 230737403, 912917551, 1615161821, 2999586239, 20997103673]

約数ペア:

[(1, 20997103673), (7, 2999586239), (13, 1615161821), (23, 912917551), (91, 230737403), (161, 130416793), (169, 124243217), (299, 70224427), (1183, 17749031), (2093, 10032061), (3887, 5401879), (27209, 771697)]