20795185

素因数分解:

$5^1\times {\mathrm{103}}^1\times {\mathrm{149}}^1\times {\mathrm{271}}^1$

素因数の和:528

約数の個数: 16

約数和(自身を含む): 25459200

約数和(自身を除く): 4664015

約数列:

[1, 5, 103, 149, 271, 515, 745, 1355, 15347, 27913, 40379, 76735, 139565, 201895, 4159037, 20795185]

約数ペア:

[(1, 20795185), (5, 4159037), (103, 201895), (149, 139565), (271, 76735), (515, 40379), (745, 27913), (1355, 15347)]