20729608

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{136379}}^1$

素因数の和:136404

約数の個数: 16

約数和(自身を含む): 40914000

約数和(自身を除く): 20184392

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 136379, 272758, 545516, 1091032, 2591201, 5182402, 10364804, 20729608]

約数ペア:

[(1, 20729608), (2, 10364804), (4, 5182402), (8, 2591201), (19, 1091032), (38, 545516), (76, 272758), (152, 136379)]