20655171145

素因数分解:

$5^1\times 7^2\times {\mathrm{101}}^1\times {\mathrm{834721}}^1$

素因数の和:834841

約数の個数: 24

約数和(自身を含む): 29118442248

約数和(自身を除く): 8463271103

約数列:

[1, 5, 7, 35, 49, 101, 245, 505, 707, 3535, 4949, 24745, 834721, 4173605, 5843047, 29215235, 40901329, 84306821, 204506645, 421534105, 590147747, 2950738735, 4131034229, 20655171145]

約数ペア:

[(1, 20655171145), (5, 4131034229), (7, 2950738735), (35, 590147747), (49, 421534105), (101, 204506645), (245, 84306821), (505, 40901329), (707, 29215235), (3535, 5843047), (4949, 4173605), (24745, 834721)]