20121304718

素因数分解:

$2^1\times {\mathrm{71}}^1\times {\mathrm{223}}^1\times {\mathrm{635423}}^1$

素因数の和:635719

約数の個数: 16

約数和(自身を含む): 30744354816

約数和(自身を除く): 10623050098

約数列:

[1, 2, 71, 142, 223, 446, 15833, 31666, 635423, 1270846, 45115033, 90230066, 141699329, 283398658, 10060652359, 20121304718]

約数ペア:

[(1, 20121304718), (2, 10060652359), (71, 283398658), (142, 141699329), (223, 90230066), (446, 45115033), (15833, 1270846), (31666, 635423)]