20495395

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{443}}^1\times {\mathrm{487}}^1$

素因数の和:954

約数の個数: 16

約数和(自身を含む): 26000640

約数和(自身を除く): 5505245

約数列:

[1, 5, 19, 95, 443, 487, 2215, 2435, 8417, 9253, 42085, 46265, 215741, 1078705, 4099079, 20495395]

約数ペア:

[(1, 20495395), (5, 4099079), (19, 1078705), (95, 215741), (443, 46265), (487, 42085), (2215, 9253), (2435, 8417)]