20986611

素因数分解:

$3^1\times {\mathrm{67}}^1\times {\mathrm{263}}^1\times {\mathrm{397}}^1$

素因数の和:730

約数の個数: 16

約数和(自身を含む): 28579584

約数和(自身を除く): 7592973

約数列:

[1, 3, 67, 201, 263, 397, 789, 1191, 17621, 26599, 52863, 79797, 104411, 313233, 6995537, 20986611]

約数ペア:

[(1, 20986611), (3, 6995537), (67, 313233), (201, 104411), (263, 79797), (397, 52863), (789, 26599), (1191, 17621)]