20442243

素因数分解:

$3^1\times {\mathrm{43}}^1\times {\mathrm{107}}^1\times {\mathrm{1481}}^1$

素因数の和:1634

約数の個数: 16

約数和(自身を含む): 28169856

約数和(自身を除く): 7727613

約数列:

[1, 3, 43, 107, 129, 321, 1481, 4443, 4601, 13803, 63683, 158467, 191049, 475401, 6814081, 20442243]

約数ペア:

[(1, 20442243), (3, 6814081), (43, 475401), (107, 191049), (129, 158467), (321, 63683), (1481, 13803), (4443, 4601)]