20466268

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{5081}}^1$

素因数の和:5157

約数の個数: 24

約数和(自身を含む): 38419920

約数和(自身を除く): 17953652

約数列:

[1, 2, 4, 19, 38, 53, 76, 106, 212, 1007, 2014, 4028, 5081, 10162, 20324, 96539, 193078, 269293, 386156, 538586, 1077172, 5116567, 10233134, 20466268]

約数ペア:

[(1, 20466268), (2, 10233134), (4, 5116567), (19, 1077172), (38, 538586), (53, 386156), (76, 269293), (106, 193078), (212, 96539), (1007, 20324), (2014, 10162), (4028, 5081)]