20880451578

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{2251}}^1\times {\mathrm{220859}}^1$

素因数の和:223122

約数の個数: 32

約数和(自身を含む): 47748165120

約数和(自身を除く): 26867713542

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 2251, 4502, 6753, 13506, 15757, 31514, 47271, 94542, 220859, 441718, 662577, 1325154, 1546013, 3092026, 4638039, 9276078, 497153609, 994307218, 1491460827, 2982921654, 3480075263, 6960150526, 10440225789, 20880451578]

約数ペア:

[(1, 20880451578), (2, 10440225789), (3, 6960150526), (6, 3480075263), (7, 2982921654), (14, 1491460827), (21, 994307218), (42, 497153609), (2251, 9276078), (4502, 4638039), (6753, 3092026), (13506, 1546013), (15757, 1325154), (31514, 662577), (47271, 441718), (94542, 220859)]