20067185

素因数分解:

$5^1\times {\mathrm{79}}^1\times {\mathrm{101}}^1\times {\mathrm{503}}^1$

素因数の和:688

約数の個数: 16

約数和(自身を含む): 24675840

約数和(自身を除く): 4608655

約数列:

[1, 5, 79, 101, 395, 503, 505, 2515, 7979, 39737, 39895, 50803, 198685, 254015, 4013437, 20067185]

約数ペア:

[(1, 20067185), (5, 4013437), (79, 254015), (101, 198685), (395, 50803), (503, 39895), (505, 39737), (2515, 7979)]