20109470

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{4079}}^1$

素因数の和:4132

約数の個数: 32

約数和(自身を含む): 39657600

約数和(自身を除く): 19548130

約数列:

[1, 2, 5, 10, 17, 29, 34, 58, 85, 145, 170, 290, 493, 986, 2465, 4079, 4930, 8158, 20395, 40790, 69343, 118291, 138686, 236582, 346715, 591455, 693430, 1182910, 2010947, 4021894, 10054735, 20109470]

約数ペア:

[(1, 20109470), (2, 10054735), (5, 4021894), (10, 2010947), (17, 1182910), (29, 693430), (34, 591455), (58, 346715), (85, 236582), (145, 138686), (170, 118291), (290, 69343), (493, 40790), (986, 20395), (2465, 8158), (4079, 4930)]