20123389

素因数分解:

${\mathrm{11}}^3\times {\mathrm{13}}^1\times {\mathrm{1163}}^1$

素因数の和:1209

約数の個数: 16

約数和(自身を含む): 23857344

約数和(自身を除く): 3733955

約数列:

[1, 11, 13, 121, 143, 1163, 1331, 1573, 12793, 15119, 17303, 140723, 166309, 1547953, 1829399, 20123389]

約数ペア:

[(1, 20123389), (11, 1829399), (13, 1547953), (121, 166309), (143, 140723), (1163, 17303), (1331, 15119), (1573, 12793)]