20016715

素因数分解:

$5^1\times {\mathrm{43}}^1\times {\mathrm{157}}^1\times {\mathrm{593}}^1$

素因数の和:798

約数の個数: 16

約数和(自身を含む): 24776928

約数和(自身を除く): 4760213

約数列:

[1, 5, 43, 157, 215, 593, 785, 2965, 6751, 25499, 33755, 93101, 127495, 465505, 4003343, 20016715]

約数ペア:

[(1, 20016715), (5, 4003343), (43, 465505), (157, 127495), (215, 93101), (593, 33755), (785, 25499), (2965, 6751)]