20249973

素因数分解:

$3^3\times {\mathrm{443}}^1\times {\mathrm{1693}}^1$

素因数の和:2145

約数の個数: 16

約数和(自身を含む): 30085440

約数和(自身を除く): 9835467

約数列:

[1, 3, 9, 27, 443, 1329, 1693, 3987, 5079, 11961, 15237, 45711, 749999, 2249997, 6749991, 20249973]

約数ペア:

[(1, 20249973), (3, 6749991), (9, 2249997), (27, 749999), (443, 45711), (1329, 15237), (1693, 11961), (3987, 5079)]