20387608

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{134129}}^1$

素因数の和:134154

約数の個数: 16

約数和(自身を含む): 40239000

約数和(自身を除く): 19851392

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 134129, 268258, 536516, 1073032, 2548451, 5096902, 10193804, 20387608]

約数ペア:

[(1, 20387608), (2, 10193804), (4, 5096902), (8, 2548451), (19, 1073032), (38, 536516), (76, 268258), (152, 134129)]