20172059991

素因数分解:

$3^3\times {\mathrm{71}}^1\times {\mathrm{10522723}}^1$

素因数の和:10522803

約数の個数: 16

約数和(自身を含む): 30305445120

約数和(自身を除く): 10133385129

約数列:

[1, 3, 9, 27, 71, 213, 639, 1917, 10522723, 31568169, 94704507, 284113521, 747113333, 2241339999, 6724019997, 20172059991]

約数ペア:

[(1, 20172059991), (3, 6724019997), (9, 2241339999), (27, 747113333), (71, 284113521), (213, 94704507), (639, 31568169), (1917, 10522723)]