20376145

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{2797}}^1$

素因数の和:2880

約数の個数: 16

約数和(自身を含む): 25786368

約数和(自身を除く): 5410223

約数列:

[1, 5, 31, 47, 155, 235, 1457, 2797, 7285, 13985, 86707, 131459, 433535, 657295, 4075229, 20376145]

約数ペア:

[(1, 20376145), (5, 4075229), (31, 657295), (47, 433535), (155, 131459), (235, 86707), (1457, 13985), (2797, 7285)]