20262065

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{2143}}^1$

素因数の和:2240

約数の個数: 16

約数和(自身を含む): 25522176

約数和(自身を除く): 5260111

約数列:

[1, 5, 31, 61, 155, 305, 1891, 2143, 9455, 10715, 66433, 130723, 332165, 653615, 4052413, 20262065]

約数ペア:

[(1, 20262065), (5, 4052413), (31, 653615), (61, 332165), (155, 130723), (305, 66433), (1891, 10715), (2143, 9455)]