20200647

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{6229}}^1$

素因数の和:6302

約数の個数: 16

約数和(自身を含む): 28707840

約数和(自身を除く): 8507193

約数列:

[1, 3, 23, 47, 69, 141, 1081, 3243, 6229, 18687, 143267, 292763, 429801, 878289, 6733549, 20200647]

約数ペア:

[(1, 20200647), (3, 6733549), (23, 878289), (47, 429801), (69, 292763), (141, 143267), (1081, 18687), (3243, 6229)]