20551535

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{173}}^1\times {\mathrm{1033}}^1$

素因数の和:1234

約数の個数: 16

約数和(自身を含む): 25907904

約数和(自身を除く): 5356369

約数列:

[1, 5, 23, 115, 173, 865, 1033, 3979, 5165, 19895, 23759, 118795, 178709, 893545, 4110307, 20551535]

約数ペア:

[(1, 20551535), (5, 4110307), (23, 893545), (115, 178709), (173, 118795), (865, 23759), (1033, 19895), (3979, 5165)]