20168952813

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{20921}}^1\times {\mathrm{6301}}^1$

素因数の和:27245

約数の個数: 24

約数和(自身を含む): 30853003896

約数和(自身を除く): 10684051083

約数列:

[1, 3, 9, 17, 51, 153, 6301, 18903, 20921, 56709, 62763, 107117, 188289, 321351, 355657, 964053, 1066971, 3200913, 131823221, 395469663, 1186408989, 2240994757, 6722984271, 20168952813]

約数ペア:

[(1, 20168952813), (3, 6722984271), (9, 2240994757), (17, 1186408989), (51, 395469663), (153, 131823221), (6301, 3200913), (18903, 1066971), (20921, 964053), (56709, 355657), (62763, 321351), (107117, 188289)]