20558255

素因数分解:

$5^1\times {\mathrm{59}}^1\times {\mathrm{227}}^1\times {\mathrm{307}}^1$

素因数の和:598

約数の個数: 16

約数和(自身を含む): 25280640

約数和(自身を除く): 4722385

約数列:

[1, 5, 59, 227, 295, 307, 1135, 1535, 13393, 18113, 66965, 69689, 90565, 348445, 4111651, 20558255]

約数ペア:

[(1, 20558255), (5, 4111651), (59, 348445), (227, 90565), (295, 69689), (307, 66965), (1135, 18113), (1535, 13393)]