20128735879

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{1409}}^1\times {\mathrm{120049}}^1$

素因数の和:121482

約数の個数: 16

約数和(自身を含む): 24374952000

約数和(自身を除く): 4246216121

約数列:

[1, 7, 17, 119, 1409, 9863, 23953, 120049, 167671, 840343, 2040833, 14285831, 169149041, 1184043287, 2875533697, 20128735879]

約数ペア:

[(1, 20128735879), (7, 2875533697), (17, 1184043287), (119, 169149041), (1409, 14285831), (9863, 2040833), (23953, 840343), (120049, 167671)]