20201595897

素因数分解:

$3^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{9339619}}^1$

素因数の和:9339732

約数の個数: 16

約数和(自身を含む): 31082255360

約数和(自身を除く): 10880659463

約数列:

[1, 3, 7, 21, 103, 309, 721, 2163, 9339619, 28018857, 65377333, 196131999, 961980757, 2885942271, 6733865299, 20201595897]

約数ペア:

[(1, 20201595897), (3, 6733865299), (7, 2885942271), (21, 961980757), (103, 196131999), (309, 65377333), (721, 28018857), (2163, 9339619)]