20113431

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{1319}}^1$

素因数の和:1375

約数の個数: 32

約数和(自身を含む): 31933440

約数和(自身を除く): 11820009

約数列:

[1, 3, 13, 17, 23, 39, 51, 69, 221, 299, 391, 663, 897, 1173, 1319, 3957, 5083, 15249, 17147, 22423, 30337, 51441, 67269, 91011, 291499, 394381, 515729, 874497, 1183143, 1547187, 6704477, 20113431]

約数ペア:

[(1, 20113431), (3, 6704477), (13, 1547187), (17, 1183143), (23, 874497), (39, 515729), (51, 394381), (69, 291499), (221, 91011), (299, 67269), (391, 51441), (663, 30337), (897, 22423), (1173, 17147), (1319, 15249), (3957, 5083)]