20083505

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{9967}}^1$

素因数の和:10016

約数の個数: 16

約数和(自身を含む): 26793984

約数和(自身を除く): 6710479

約数列:

[1, 5, 13, 31, 65, 155, 403, 2015, 9967, 49835, 129571, 308977, 647855, 1544885, 4016701, 20083505]

約数ペア:

[(1, 20083505), (5, 4016701), (13, 1544885), (31, 647855), (65, 308977), (155, 129571), (403, 49835), (2015, 9967)]