20991433

素因数分解:

${\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{499}}^1$

素因数の和:612

約数の個数: 16

約数和(自身を含む): 23040000

約数和(自身を除く): 2048567

約数列:

[1, 23, 31, 59, 499, 713, 1357, 1829, 11477, 15469, 29441, 42067, 355787, 677143, 912671, 20991433]

約数ペア:

[(1, 20991433), (23, 912671), (31, 677143), (59, 355787), (499, 42067), (713, 29441), (1357, 15469), (1829, 11477)]