20017168

素因数分解:

$2^4\times {\mathrm{89}}^1\times {\mathrm{14057}}^1$

素因数の和:14154

約数の個数: 20

約数和(自身を含む): 39221820

約数和(自身を除く): 19204652

約数列:

[1, 2, 4, 8, 16, 89, 178, 356, 712, 1424, 14057, 28114, 56228, 112456, 224912, 1251073, 2502146, 5004292, 10008584, 20017168]

約数ペア:

[(1, 20017168), (2, 10008584), (4, 5004292), (8, 2502146), (16, 1251073), (89, 224912), (178, 112456), (356, 56228), (712, 28114), (1424, 14057)]