2017872020

素因数分解:

$2^2\times 5^1\times {\mathrm{691}}^1\times {\mathrm{146011}}^1$

素因数の和:146711

約数の個数: 24

約数和(自身を含む): 4243692768

約数和(自身を除く): 2225820748

約数列:

[1, 2, 4, 5, 10, 20, 691, 1382, 2764, 3455, 6910, 13820, 146011, 292022, 584044, 730055, 1460110, 2920220, 100893601, 201787202, 403574404, 504468005, 1008936010, 2017872020]

約数ペア:

[(1, 2017872020), (2, 1008936010), (4, 504468005), (5, 403574404), (10, 201787202), (20, 100893601), (691, 2920220), (1382, 1460110), (2764, 730055), (3455, 584044), (6910, 292022), (13820, 146011)]