20199160

素因数分解:

$2^3\times 5^1\times {\mathrm{67}}^1\times {\mathrm{7537}}^1$

素因数の和:7615

約数の個数: 32

約数和(自身を含む): 46132560

約数和(自身を除く): 25933400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 67, 134, 268, 335, 536, 670, 1340, 2680, 7537, 15074, 30148, 37685, 60296, 75370, 150740, 301480, 504979, 1009958, 2019916, 2524895, 4039832, 5049790, 10099580, 20199160]

約数ペア:

[(1, 20199160), (2, 10099580), (4, 5049790), (5, 4039832), (8, 2524895), (10, 2019916), (20, 1009958), (40, 504979), (67, 301480), (134, 150740), (268, 75370), (335, 60296), (536, 37685), (670, 30148), (1340, 15074), (2680, 7537)]