20105680917

素因数分解:

$3^1\times 7^1\times {\mathrm{97}}^1\times {\mathrm{9870241}}^1$

素因数の和:9870348

約数の個数: 16

約数和(自身を含む): 30953078912

約数和(自身を除く): 10847397995

約数列:

[1, 3, 7, 21, 97, 291, 679, 2037, 9870241, 29610723, 69091687, 207275061, 957413377, 2872240131, 6701893639, 20105680917]

約数ペア:

[(1, 20105680917), (3, 6701893639), (7, 2872240131), (21, 957413377), (97, 207275061), (291, 69091687), (679, 29610723), (2037, 9870241)]