20163547180

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{149}}^1\times {\mathrm{966613}}^1$

素因数の和:966778

約数の個数: 48

約数和(自身を含む): 48717345600

約数和(自身を除く): 28553798420

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 149, 298, 596, 745, 1043, 1490, 2086, 2980, 4172, 5215, 10430, 20860, 966613, 1933226, 3866452, 4833065, 6766291, 9666130, 13532582, 19332260, 27065164, 33831455, 67662910, 135325820, 144025337, 288050674, 576101348, 720126685, 1008177359, 1440253370, 2016354718, 2880506740, 4032709436, 5040886795, 10081773590, 20163547180]

約数ペア:

[(1, 20163547180), (2, 10081773590), (4, 5040886795), (5, 4032709436), (7, 2880506740), (10, 2016354718), (14, 1440253370), (20, 1008177359), (28, 720126685), (35, 576101348), (70, 288050674), (140, 144025337), (149, 135325820), (298, 67662910), (596, 33831455), (745, 27065164), (1043, 19332260), (1490, 13532582), (2086, 9666130), (2980, 6766291), (4172, 4833065), (5215, 3866452), (10430, 1933226), (20860, 966613)]