20084820920

素因数分解:

$2^3\times 5^1\times {\mathrm{521}}^1\times {\mathrm{963763}}^1$

素因数の和:964295

約数の個数: 32

約数和(自身を含む): 45277632720

約数和(自身を除く): 25192811800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 521, 1042, 2084, 2605, 4168, 5210, 10420, 20840, 963763, 1927526, 3855052, 4818815, 7710104, 9637630, 19275260, 38550520, 502120523, 1004241046, 2008482092, 2510602615, 4016964184, 5021205230, 10042410460, 20084820920]

約数ペア:

[(1, 20084820920), (2, 10042410460), (4, 5021205230), (5, 4016964184), (8, 2510602615), (10, 2008482092), (20, 1004241046), (40, 502120523), (521, 38550520), (1042, 19275260), (2084, 9637630), (2605, 7710104), (4168, 4818815), (5210, 3855052), (10420, 1927526), (20840, 963763)]