15085820

素因数分解:

$2^2\times 5^1\times {\mathrm{571}}^1\times {\mathrm{1321}}^1$

素因数の和:1901

約数の個数: 24

約数和(自身を含む): 31759728

約数和(自身を除く): 16673908

約数列:

[1, 2, 4, 5, 10, 20, 571, 1142, 1321, 2284, 2642, 2855, 5284, 5710, 6605, 11420, 13210, 26420, 754291, 1508582, 3017164, 3771455, 7542910, 15085820]

約数ペア:

[(1, 15085820), (2, 7542910), (4, 3771455), (5, 3017164), (10, 1508582), (20, 754291), (571, 26420), (1142, 13210), (1321, 11420), (2284, 6605), (2642, 5710), (2855, 5284)]