20883837

素因数分解:

$3^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{2423}}^1$

素因数の和:2469

約数の個数: 24

約数和(自身を含む): 31938624

約数和(自身を除く): 11054787

約数列:

[1, 3, 13, 17, 39, 51, 169, 221, 507, 663, 2423, 2873, 7269, 8619, 31499, 41191, 94497, 123573, 409487, 535483, 1228461, 1606449, 6961279, 20883837]

約数ペア:

[(1, 20883837), (3, 6961279), (13, 1606449), (17, 1228461), (39, 535483), (51, 409487), (169, 123573), (221, 94497), (507, 41191), (663, 31499), (2423, 8619), (2873, 7269)]