20109748

素因数分解:

$2^2\times {\mathrm{61}}^1\times {\mathrm{73}}^1\times {\mathrm{1129}}^1$

素因数の和:1267

約数の個数: 24

約数和(自身を含む): 36291080

約数和(自身を除く): 16181332

約数列:

[1, 2, 4, 61, 73, 122, 146, 244, 292, 1129, 2258, 4453, 4516, 8906, 17812, 68869, 82417, 137738, 164834, 275476, 329668, 5027437, 10054874, 20109748]

約数ペア:

[(1, 20109748), (2, 10054874), (4, 5027437), (61, 329668), (73, 275476), (122, 164834), (146, 137738), (244, 82417), (292, 68869), (1129, 17812), (2258, 8906), (4453, 4516)]