20766585

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{8599}}^1$

素因数の和:8637

約数の個数: 32

約数和(自身を含む): 39628800

約数和(自身を除く): 18862215

約数列:

[1, 3, 5, 7, 15, 21, 23, 35, 69, 105, 115, 161, 345, 483, 805, 2415, 8599, 25797, 42995, 60193, 128985, 180579, 197777, 300965, 593331, 902895, 988885, 1384439, 2966655, 4153317, 6922195, 20766585]

約数ペア:

[(1, 20766585), (3, 6922195), (5, 4153317), (7, 2966655), (15, 1384439), (21, 988885), (23, 902895), (35, 593331), (69, 300965), (105, 197777), (115, 180579), (161, 128985), (345, 60193), (483, 42995), (805, 25797), (2415, 8599)]