20901753

素因数分解:

$3^3\times {\mathrm{59}}^1\times {\mathrm{13121}}^1$

素因数の和:13189

約数の個数: 16

約数和(自身を含む): 31492800

約数和(自身を除く): 10591047

約数列:

[1, 3, 9, 27, 59, 177, 531, 1593, 13121, 39363, 118089, 354267, 774139, 2322417, 6967251, 20901753]

約数ペア:

[(1, 20901753), (3, 6967251), (9, 2322417), (27, 774139), (59, 354267), (177, 118089), (531, 39363), (1593, 13121)]