20172205989

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{263}}^1\times {\mathrm{655559}}^1$

素因数の和:655841

約数の個数: 24

約数和(自身を含む): 31498346880

約数和(自身を除く): 11326140891

約数列:

[1, 3, 9, 13, 39, 117, 263, 789, 2367, 3419, 10257, 30771, 655559, 1966677, 5900031, 8522267, 25566801, 76700403, 172412017, 517236051, 1551708153, 2241356221, 6724068663, 20172205989]

約数ペア:

[(1, 20172205989), (3, 6724068663), (9, 2241356221), (13, 1551708153), (39, 517236051), (117, 172412017), (263, 76700403), (789, 25566801), (2367, 8522267), (3419, 5900031), (10257, 1966677), (30771, 655559)]