20520984

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^1\times {\mathrm{77731}}^1$

素因数の和:77751

約数の個数: 32

約数和(自身を含む): 55967040

約数和(自身を除く): 35446056

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 22, 24, 33, 44, 66, 88, 132, 264, 77731, 155462, 233193, 310924, 466386, 621848, 855041, 932772, 1710082, 1865544, 2565123, 3420164, 5130246, 6840328, 10260492, 20520984]

約数ペア:

[(1, 20520984), (2, 10260492), (3, 6840328), (4, 5130246), (6, 3420164), (8, 2565123), (11, 1865544), (12, 1710082), (22, 932772), (24, 855041), (33, 621848), (44, 466386), (66, 310924), (88, 233193), (132, 155462), (264, 77731)]