20485052

素因数分解:

$2^2\times 7^1\times {\mathrm{103}}^1\times {\mathrm{7103}}^1$

素因数の和:7217

約数の個数: 24

約数和(自身を含む): 41373696

約数和(自身を除く): 20888644

約数列:

[1, 2, 4, 7, 14, 28, 103, 206, 412, 721, 1442, 2884, 7103, 14206, 28412, 49721, 99442, 198884, 731609, 1463218, 2926436, 5121263, 10242526, 20485052]

約数ペア:

[(1, 20485052), (2, 10242526), (4, 5121263), (7, 2926436), (14, 1463218), (28, 731609), (103, 198884), (206, 99442), (412, 49721), (721, 28412), (1442, 14206), (2884, 7103)]