20324468

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{2687}}^1$

素因数の和:2783

約数の個数: 24

約数和(自身を含む): 37330944

約数和(自身を除く): 17006476

約数列:

[1, 2, 4, 31, 61, 62, 122, 124, 244, 1891, 2687, 3782, 5374, 7564, 10748, 83297, 163907, 166594, 327814, 333188, 655628, 5081117, 10162234, 20324468]

約数ペア:

[(1, 20324468), (2, 10162234), (4, 5081117), (31, 655628), (61, 333188), (62, 327814), (122, 166594), (124, 163907), (244, 83297), (1891, 10748), (2687, 7564), (3782, 5374)]