20569497

素因数分解:

$3^1\times {\mathrm{13}}^2\times {\mathrm{29}}^1\times {\mathrm{1399}}^1$

素因数の和:1457

約数の個数: 24

約数和(自身を含む): 30744000

約数和(自身を除く): 10174503

約数列:

[1, 3, 13, 29, 39, 87, 169, 377, 507, 1131, 1399, 4197, 4901, 14703, 18187, 40571, 54561, 121713, 236431, 527423, 709293, 1582269, 6856499, 20569497]

約数ペア:

[(1, 20569497), (3, 6856499), (13, 1582269), (29, 709293), (39, 527423), (87, 236431), (169, 121713), (377, 54561), (507, 40571), (1131, 18187), (1399, 14703), (4197, 4901)]