20726872

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{136361}}^1$

素因数の和:136386

約数の個数: 16

約数和(自身を含む): 40908600

約数和(自身を除く): 20181728

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 136361, 272722, 545444, 1090888, 2590859, 5181718, 10363436, 20726872]

約数ペア:

[(1, 20726872), (2, 10363436), (4, 5181718), (8, 2590859), (19, 1090888), (38, 545444), (76, 272722), (152, 136361)]