20990697730

素因数分解:

$2^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{71}}^1\times {\mathrm{629029}}^1$

素因数の和:629154

約数の個数: 32

約数和(自身を含む): 39130698240

約数和(自身を除く): 18140000510

約数列:

[1, 2, 5, 10, 47, 71, 94, 142, 235, 355, 470, 710, 3337, 6674, 16685, 33370, 629029, 1258058, 3145145, 6290290, 29564363, 44661059, 59128726, 89322118, 147821815, 223305295, 295643630, 446610590, 2099069773, 4198139546, 10495348865, 20990697730]

約数ペア:

[(1, 20990697730), (2, 10495348865), (5, 4198139546), (10, 2099069773), (47, 446610590), (71, 295643630), (94, 223305295), (142, 147821815), (235, 89322118), (355, 59128726), (470, 44661059), (710, 29564363), (3337, 6290290), (6674, 3145145), (16685, 1258058), (33370, 629029)]