20848399

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{4703}}^1$

素因数の和:4758

約数の個数: 16

約数和(自身を含む): 25288704

約数和(自身を除く): 4440305

約数列:

[1, 11, 13, 31, 143, 341, 403, 4433, 4703, 51733, 61139, 145793, 672529, 1603723, 1895309, 20848399]

約数ペア:

[(1, 20848399), (11, 1895309), (13, 1603723), (31, 672529), (143, 145793), (341, 61139), (403, 51733), (4433, 4703)]