20303035

素因数分解:

$5^1\times {\mathrm{131}}^1\times {\mathrm{139}}^1\times {\mathrm{223}}^1$

素因数の和:498

約数の個数: 16

約数和(自身を含む): 24837120

約数和(自身を除く): 4534085

約数列:

[1, 5, 131, 139, 223, 655, 695, 1115, 18209, 29213, 30997, 91045, 146065, 154985, 4060607, 20303035]

約数ペア:

[(1, 20303035), (5, 4060607), (131, 154985), (139, 146065), (223, 91045), (655, 30997), (695, 29213), (1115, 18209)]