20148909

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{157}}^1\times {\mathrm{3889}}^1$

素因数の和:4060

約数の個数: 16

約数和(自身を含む): 29501760

約数和(自身を除く): 9352851

約数列:

[1, 3, 11, 33, 157, 471, 1727, 3889, 5181, 11667, 42779, 128337, 610573, 1831719, 6716303, 20148909]

約数ペア:

[(1, 20148909), (3, 6716303), (11, 1831719), (33, 610573), (157, 128337), (471, 42779), (1727, 11667), (3889, 5181)]