2019945020

素因数分解:

$2^2\times 5^1\times {\mathrm{691}}^1\times {\mathrm{146161}}^1$

素因数の和:146861

約数の個数: 24

約数和(自身を含む): 4248052368

約数和(自身を除く): 2228107348

約数列:

[1, 2, 4, 5, 10, 20, 691, 1382, 2764, 3455, 6910, 13820, 146161, 292322, 584644, 730805, 1461610, 2923220, 100997251, 201994502, 403989004, 504986255, 1009972510, 2019945020]

約数ペア:

[(1, 2019945020), (2, 1009972510), (4, 504986255), (5, 403989004), (10, 201994502), (20, 100997251), (691, 2923220), (1382, 1461610), (2764, 730805), (3455, 584644), (6910, 292322), (13820, 146161)]