20094280

素因数分解:

$2^3\times 5^1\times {\mathrm{691}}^1\times {\mathrm{727}}^1$

素因数の和:1429

約数の個数: 32

約数和(自身を含む): 45339840

約数和(自身を除く): 25245560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 691, 727, 1382, 1454, 2764, 2908, 3455, 3635, 5528, 5816, 6910, 7270, 13820, 14540, 27640, 29080, 502357, 1004714, 2009428, 2511785, 4018856, 5023570, 10047140, 20094280]

約数ペア:

[(1, 20094280), (2, 10047140), (4, 5023570), (5, 4018856), (8, 2511785), (10, 2009428), (20, 1004714), (40, 502357), (691, 29080), (727, 27640), (1382, 14540), (1454, 13820), (2764, 7270), (2908, 6910), (3455, 5816), (3635, 5528)]