20786074096

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{1313579}}^1$

素因数の和:1313653

約数の個数: 40

約数和(自身を含む): 43001354880

約数和(自身を除く): 22215280784

約数列:

[1, 2, 4, 8, 16, 23, 43, 46, 86, 92, 172, 184, 344, 368, 688, 989, 1978, 3956, 7912, 15824, 1313579, 2627158, 5254316, 10508632, 21017264, 30212317, 56483897, 60424634, 112967794, 120849268, 225935588, 241698536, 451871176, 483397072, 903742352, 1299129631, 2598259262, 5196518524, 10393037048, 20786074096]

約数ペア:

[(1, 20786074096), (2, 10393037048), (4, 5196518524), (8, 2598259262), (16, 1299129631), (23, 903742352), (43, 483397072), (46, 451871176), (86, 241698536), (92, 225935588), (172, 120849268), (184, 112967794), (344, 60424634), (368, 56483897), (688, 30212317), (989, 21017264), (1978, 10508632), (3956, 5254316), (7912, 2627158), (15824, 1313579)]