123242020

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{560191}}^1$

素因数の和:560211

約数の個数: 24

約数和(自身を含む): 282336768

約数和(自身を除く): 159094748

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 560191, 1120382, 2240764, 2800955, 5601910, 6162101, 11203820, 12324202, 24648404, 30810505, 61621010, 123242020]

約数ペア:

[(1, 123242020), (2, 61621010), (4, 30810505), (5, 24648404), (10, 12324202), (11, 11203820), (20, 6162101), (22, 5601910), (44, 2800955), (55, 2240764), (110, 1120382), (220, 560191)]