220662145

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{199}}^1\times {\mathrm{20161}}^1$

素因数の和:20376

約数の個数: 16

約数和(自身を含む): 290332800

約数和(自身を除く): 69670655

約数列:

[1, 5, 11, 55, 199, 995, 2189, 10945, 20161, 100805, 221771, 1108855, 4012039, 20060195, 44132429, 220662145]

約数ペア:

[(1, 220662145), (5, 44132429), (11, 20060195), (55, 4012039), (199, 1108855), (995, 221771), (2189, 100805), (10945, 20161)]