20302222

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{233}}^1\times {\mathrm{2293}}^1$

素因数の和:2547

約数の個数: 16

約数和(自身を含む): 32207760

約数和(自身を除く): 11905538

約数列:

[1, 2, 19, 38, 233, 466, 2293, 4427, 4586, 8854, 43567, 87134, 534269, 1068538, 10151111, 20302222]

約数ペア:

[(1, 20302222), (2, 10151111), (19, 1068538), (38, 534269), (233, 87134), (466, 43567), (2293, 8854), (4427, 4586)]