20567804

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{277}}^1\times {\mathrm{977}}^1$

素因数の和:1277

約数の個数: 24

約数和(自身を含む): 38063760

約数和(自身を除く): 17495956

約数列:

[1, 2, 4, 19, 38, 76, 277, 554, 977, 1108, 1954, 3908, 5263, 10526, 18563, 21052, 37126, 74252, 270629, 541258, 1082516, 5141951, 10283902, 20567804]

約数ペア:

[(1, 20567804), (2, 10283902), (4, 5141951), (19, 1082516), (38, 541258), (76, 270629), (277, 74252), (554, 37126), (977, 21052), (1108, 18563), (1954, 10526), (3908, 5263)]