20488355

素因数分解:

$5^1\times {\mathrm{29}}^1\times {\mathrm{101}}^1\times {\mathrm{1399}}^1$

素因数の和:1534

約数の個数: 16

約数和(自身を含む): 25704000

約数和(自身を除く): 5215645

約数列:

[1, 5, 29, 101, 145, 505, 1399, 2929, 6995, 14645, 40571, 141299, 202855, 706495, 4097671, 20488355]

約数ペア:

[(1, 20488355), (5, 4097671), (29, 706495), (101, 202855), (145, 141299), (505, 40571), (1399, 14645), (2929, 6995)]