20509285

素因数分解:

$5^1\times {\mathrm{37}}^1\times {\mathrm{59}}^1\times {\mathrm{1879}}^1$

素因数の和:1980

約数の個数: 16

約数和(自身を含む): 25718400

約数和(自身を除く): 5209115

約数列:

[1, 5, 37, 59, 185, 295, 1879, 2183, 9395, 10915, 69523, 110861, 347615, 554305, 4101857, 20509285]

約数ペア:

[(1, 20509285), (5, 4101857), (37, 554305), (59, 347615), (185, 110861), (295, 69523), (1879, 10915), (2183, 9395)]