20161745020

素因数分解:

$2^2\times 5^1\times {\mathrm{227}}^1\times {\mathrm{4440913}}^1$

素因数の和:4441149

約数の個数: 24

約数和(自身を含む): 42526192464

約数和(自身を除く): 22364447444

約数列:

[1, 2, 4, 5, 10, 20, 227, 454, 908, 1135, 2270, 4540, 4440913, 8881826, 17763652, 22204565, 44409130, 88818260, 1008087251, 2016174502, 4032349004, 5040436255, 10080872510, 20161745020]

約数ペア:

[(1, 20161745020), (2, 10080872510), (4, 5040436255), (5, 4032349004), (10, 2016174502), (20, 1008087251), (227, 88818260), (454, 44409130), (908, 22204565), (1135, 17763652), (2270, 8881826), (4540, 4440913)]