20199494405

素因数分解:

$5^1\times {\mathrm{137}}^1\times {\mathrm{1549}}^1\times {\mathrm{19037}}^1$

素因数の和:20728

約数の個数: 16

約数和(自身を含む): 24433369200

約数和(自身を除く): 4233874795

約数列:

[1, 5, 137, 685, 1549, 7745, 19037, 95185, 212213, 1061065, 2608069, 13040345, 29488313, 147441565, 4039898881, 20199494405]

約数ペア:

[(1, 20199494405), (5, 4039898881), (137, 147441565), (685, 29488313), (1549, 13040345), (7745, 2608069), (19037, 1061065), (95185, 212213)]