20954965

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{8501}}^1$

素因数の和:8552

約数の個数: 16

約数和(自身を含む): 27546480

約数和(自身を除く): 6591515

約数列:

[1, 5, 17, 29, 85, 145, 493, 2465, 8501, 42505, 144517, 246529, 722585, 1232645, 4190993, 20954965]

約数ペア:

[(1, 20954965), (5, 4190993), (17, 1232645), (29, 722585), (85, 246529), (145, 144517), (493, 42505), (2465, 8501)]