20809863355

素因数分解:

$5^1\times {\mathrm{29}}^1\times {\mathrm{419}}^1\times {\mathrm{342521}}^1$

素因数の和:342974

約数の個数: 16

約数和(自身を含む): 25894663200

約数和(自身を除く): 5084799845

約数列:

[1, 5, 29, 145, 419, 2095, 12151, 60755, 342521, 1712605, 9933109, 49665545, 143516299, 717581495, 4161972671, 20809863355]

約数ペア:

[(1, 20809863355), (5, 4161972671), (29, 717581495), (145, 143516299), (419, 49665545), (2095, 9933109), (12151, 1712605), (60755, 342521)]