20156162877

素因数分解:

$3^4\times {\mathrm{281}}^1\times {\mathrm{443}}^1\times {\mathrm{1999}}^1$

素因数の和:2735

約数の個数: 40

約数和(自身を含む): 30300336000

約数和(自身を除く): 10144173123

約数列:

[1, 3, 9, 27, 81, 281, 443, 843, 1329, 1999, 2529, 3987, 5997, 7587, 11961, 17991, 22761, 35883, 53973, 124483, 161919, 373449, 561719, 885557, 1120347, 1685157, 2656671, 3361041, 5055471, 7970013, 10083123, 15166413, 23910039, 45499239, 71730117, 248841517, 746524551, 2239573653, 6718720959, 20156162877]

約数ペア:

[(1, 20156162877), (3, 6718720959), (9, 2239573653), (27, 746524551), (81, 248841517), (281, 71730117), (443, 45499239), (843, 23910039), (1329, 15166413), (1999, 10083123), (2529, 7970013), (3987, 5055471), (5997, 3361041), (7587, 2656671), (11961, 1685157), (17991, 1120347), (22761, 885557), (35883, 561719), (53973, 373449), (124483, 161919)]