20552357

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{3769}}^1$

素因数の和:3836

約数の個数: 16

約数和(自身を含む): 25334400

約数和(自身を除く): 4782043

約数列:

[1, 7, 19, 41, 133, 287, 779, 3769, 5453, 26383, 71611, 154529, 501277, 1081703, 2936051, 20552357]

約数ペア:

[(1, 20552357), (7, 2936051), (19, 1081703), (41, 501277), (133, 154529), (287, 71611), (779, 26383), (3769, 5453)]