20465895

素因数分解:

$3^1\times 5^1\times {\mathrm{149}}^1\times {\mathrm{9157}}^1$

素因数の和:9314

約数の個数: 16

約数和(自身を含む): 32968800

約数和(自身を除く): 12502905

約数列:

[1, 3, 5, 15, 149, 447, 745, 2235, 9157, 27471, 45785, 137355, 1364393, 4093179, 6821965, 20465895]

約数ペア:

[(1, 20465895), (3, 6821965), (5, 4093179), (15, 1364393), (149, 137355), (447, 45785), (745, 27471), (2235, 9157)]