20166657939

素因数分解:

$3^3\times {\mathrm{727}}^1\times {\mathrm{1027391}}^1$

素因数の和:1028127

約数の個数: 16

約数和(自身を含む): 29917655040

約数和(自身を除く): 9750997101

約数列:

[1, 3, 9, 27, 727, 2181, 6543, 19629, 1027391, 3082173, 9246519, 27739557, 746913257, 2240739771, 6722219313, 20166657939]

約数ペア:

[(1, 20166657939), (3, 6722219313), (9, 2240739771), (27, 746913257), (727, 27739557), (2181, 9246519), (6543, 3082173), (19629, 1027391)]