20553124

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{1997}}^1$

素因数の和:2115

約数の個数: 24

約数和(自身を含む): 37594368

約数和(自身を除く): 17041244

約数列:

[1, 2, 4, 31, 62, 83, 124, 166, 332, 1997, 2573, 3994, 5146, 7988, 10292, 61907, 123814, 165751, 247628, 331502, 663004, 5138281, 10276562, 20553124]

約数ペア:

[(1, 20553124), (2, 10276562), (4, 5138281), (31, 663004), (62, 331502), (83, 247628), (124, 165751), (166, 123814), (332, 61907), (1997, 10292), (2573, 7988), (3994, 5146)]