20090635

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{227}}^1\times {\mathrm{571}}^1$

素因数の和:834

約数の個数: 16

約数和(自身を含む): 25039872

約数和(自身を除く): 4949237

約数列:

[1, 5, 31, 155, 227, 571, 1135, 2855, 7037, 17701, 35185, 88505, 129617, 648085, 4018127, 20090635]

約数ペア:

[(1, 20090635), (5, 4018127), (31, 648085), (155, 129617), (227, 88505), (571, 35185), (1135, 17701), (2855, 7037)]