20011585

素因数分解:

$5^1\times {\mathrm{11}}^3\times {\mathrm{31}}^1\times {\mathrm{97}}^1$

素因数の和:166

約数の個数: 32

約数和(自身を含む): 27546624

約数和(自身を除く): 7535039

約数列:

[1, 5, 11, 31, 55, 97, 121, 155, 341, 485, 605, 1067, 1331, 1705, 3007, 3751, 5335, 6655, 11737, 15035, 18755, 33077, 41261, 58685, 129107, 165385, 206305, 363847, 645535, 1819235, 4002317, 20011585]

約数ペア:

[(1, 20011585), (5, 4002317), (11, 1819235), (31, 645535), (55, 363847), (97, 206305), (121, 165385), (155, 129107), (341, 58685), (485, 41261), (605, 33077), (1067, 18755), (1331, 15035), (1705, 11737), (3007, 6655), (3751, 5335)]