20021584

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{113759}}^1$

素因数の和:113778

約数の個数: 20

約数和(自身を含む): 42318720

約数和(自身を除く): 22297136

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 113759, 227518, 455036, 910072, 1251349, 1820144, 2502698, 5005396, 10010792, 20021584]

約数ペア:

[(1, 20021584), (2, 10010792), (4, 5005396), (8, 2502698), (11, 1820144), (16, 1251349), (22, 910072), (44, 455036), (88, 227518), (176, 113759)]