20829160

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{47339}}^1$

素因数の和:47361

約数の個数: 32

約数和(自身を含む): 51127200

約数和(自身を除く): 30298040

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 47339, 94678, 189356, 236695, 378712, 473390, 520729, 946780, 1041458, 1893560, 2082916, 2603645, 4165832, 5207290, 10414580, 20829160]

約数ペア:

[(1, 20829160), (2, 10414580), (4, 5207290), (5, 4165832), (8, 2603645), (10, 2082916), (11, 1893560), (20, 1041458), (22, 946780), (40, 520729), (44, 473390), (55, 378712), (88, 236695), (110, 189356), (220, 94678), (440, 47339)]