20682242018

素因数分解:

$2^1\times {\mathrm{37}}^1\times {\mathrm{359}}^1\times {\mathrm{778523}}^1$

素因数の和:778921

約数の個数: 16

約数和(自身を含む): 31950624960

約数和(自身を除く): 11268382942

約数列:

[1, 2, 37, 74, 359, 718, 13283, 26566, 778523, 1557046, 28805351, 57610702, 279489757, 558979514, 10341121009, 20682242018]

約数ペア:

[(1, 20682242018), (2, 10341121009), (37, 558979514), (74, 279489757), (359, 57610702), (718, 28805351), (13283, 1557046), (26566, 778523)]