20811528

素因数分解:

$2^3\times 3^2\times {\mathrm{289049}}^1$

素因数の和:289061

約数の個数: 24

約数和(自身を含む): 56364750

約数和(自身を除く): 35553222

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 289049, 578098, 867147, 1156196, 1734294, 2312392, 2601441, 3468588, 5202882, 6937176, 10405764, 20811528]

約数ペア:

[(1, 20811528), (2, 10405764), (3, 6937176), (4, 5202882), (6, 3468588), (8, 2601441), (9, 2312392), (12, 1734294), (18, 1156196), (24, 867147), (36, 578098), (72, 289049)]