20822164

素因数分解:

$2^2\times {\mathrm{11}}^3\times {\mathrm{3911}}^1$

素因数の和:3948

約数の個数: 24

約数和(自身を含む): 40090176

約数和(自身を除く): 19268012

約数列:

[1, 2, 4, 11, 22, 44, 121, 242, 484, 1331, 2662, 3911, 5324, 7822, 15644, 43021, 86042, 172084, 473231, 946462, 1892924, 5205541, 10411082, 20822164]

約数ペア:

[(1, 20822164), (2, 10411082), (4, 5205541), (11, 1892924), (22, 946462), (44, 473231), (121, 172084), (242, 86042), (484, 43021), (1331, 15644), (2662, 7822), (3911, 5324)]