20400376

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{134213}}^1$

素因数の和:134238

約数の個数: 16

約数和(自身を含む): 40264200

約数和(自身を除く): 19863824

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 134213, 268426, 536852, 1073704, 2550047, 5100094, 10200188, 20400376]

約数ペア:

[(1, 20400376), (2, 10200188), (4, 5100094), (8, 2550047), (19, 1073704), (38, 536852), (76, 268426), (152, 134213)]