20994234

素因数分解:

$2^1\times 3^1\times {\mathrm{43}}^1\times {\mathrm{81373}}^1$

素因数の和:81421

約数の個数: 16

約数和(自身を含む): 42965472

約数和(自身を除く): 21971238

約数列:

[1, 2, 3, 6, 43, 86, 129, 258, 81373, 162746, 244119, 488238, 3499039, 6998078, 10497117, 20994234]

約数ペア:

[(1, 20994234), (2, 10497117), (3, 6998078), (6, 3499039), (43, 488238), (86, 244119), (129, 162746), (258, 81373)]