20199446379

素因数分解:

$3^2\times 7^1\times {\mathrm{1481}}^1\times {\mathrm{216493}}^1$

素因数の和:217987

約数の個数: 24

約数和(自身を含む): 33367787232

約数和(自身を除く): 13168340853

約数列:

[1, 3, 7, 9, 21, 63, 1481, 4443, 10367, 13329, 31101, 93303, 216493, 649479, 1515451, 1948437, 4546353, 13639059, 320626133, 961878399, 2244382931, 2885635197, 6733148793, 20199446379]

約数ペア:

[(1, 20199446379), (3, 6733148793), (7, 2885635197), (9, 2244382931), (21, 961878399), (63, 320626133), (1481, 13639059), (4443, 4546353), (10367, 1948437), (13329, 1515451), (31101, 649479), (93303, 216493)]