20844020

素因数分解:

$2^2\times 5^1\times {\mathrm{293}}^1\times {\mathrm{3557}}^1$

素因数の和:3859

約数の個数: 24

約数和(自身を含む): 43934184

約数和(自身を除く): 23090164

約数列:

[1, 2, 4, 5, 10, 20, 293, 586, 1172, 1465, 2930, 3557, 5860, 7114, 14228, 17785, 35570, 71140, 1042201, 2084402, 4168804, 5211005, 10422010, 20844020]

約数ペア:

[(1, 20844020), (2, 10422010), (4, 5211005), (5, 4168804), (10, 2084402), (20, 1042201), (293, 71140), (586, 35570), (1172, 17785), (1465, 14228), (2930, 7114), (3557, 5860)]