20102156

素因数分解:

$2^2\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{1601}}^1$

素因数の和:1721

約数の個数: 24

約数和(自身を含む): 36512784

約数和(自身を除く): 16410628

約数列:

[1, 2, 4, 43, 73, 86, 146, 172, 292, 1601, 3139, 3202, 6278, 6404, 12556, 68843, 116873, 137686, 233746, 275372, 467492, 5025539, 10051078, 20102156]

約数ペア:

[(1, 20102156), (2, 10051078), (4, 5025539), (43, 467492), (73, 275372), (86, 233746), (146, 137686), (172, 116873), (292, 68843), (1601, 12556), (3139, 6404), (3202, 6278)]