20172142972

素因数分解:

$2^2\times {\mathrm{43}}^1\times {\mathrm{117279901}}^1$

素因数の和:117279948

約数の個数: 12

約数和(自身を含む): 36122209816

約数和(自身を除く): 15950066844

約数列:

[1, 2, 4, 43, 86, 172, 117279901, 234559802, 469119604, 5043035743, 10086071486, 20172142972]

約数ペア:

[(1, 20172142972), (2, 10086071486), (4, 5043035743), (43, 469119604), (86, 234559802), (172, 117279901)]