20655056

素因数分解:

$2^4\times {\mathrm{197}}^1\times {\mathrm{6553}}^1$

素因数の和:6758

約数の個数: 20

約数和(自身を含む): 40228452

約数和(自身を除く): 19573396

約数列:

[1, 2, 4, 8, 16, 197, 394, 788, 1576, 3152, 6553, 13106, 26212, 52424, 104848, 1290941, 2581882, 5163764, 10327528, 20655056]

約数ペア:

[(1, 20655056), (2, 10327528), (4, 5163764), (8, 2581882), (16, 1290941), (197, 104848), (394, 52424), (788, 26212), (1576, 13106), (3152, 6553)]