20765537

素因数分解:

${\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{223}}^1$

素因数の和:297

約数の個数: 24

約数和(自身を含む): 24595200

約数和(自身を除く): 3829663

約数列:

[1, 13, 19, 29, 169, 223, 247, 377, 551, 2899, 3211, 4237, 4901, 6467, 7163, 37687, 55081, 84071, 93119, 122873, 716053, 1092923, 1597349, 20765537]

約数ペア:

[(1, 20765537), (13, 1597349), (19, 1092923), (29, 716053), (169, 122873), (223, 93119), (247, 84071), (377, 55081), (551, 37687), (2899, 7163), (3211, 6467), (4237, 4901)]