20106894969

素因数分解:

$3^2\times 7^1\times {\mathrm{61}}^1\times {\mathrm{97}}^1\times {\mathrm{53939}}^1$

素因数の和:54110

約数の個数: 48

約数和(自身を含む): 34084901760

約数和(自身を除く): 13978006791

約数列:

[1, 3, 7, 9, 21, 61, 63, 97, 183, 291, 427, 549, 679, 873, 1281, 2037, 3843, 5917, 6111, 17751, 41419, 53253, 53939, 124257, 161817, 372771, 377573, 485451, 1132719, 3290279, 3398157, 5232083, 9870837, 15696249, 23031953, 29612511, 36624581, 47088747, 69095859, 109873743, 207287577, 319157063, 329621229, 957471189, 2234099441, 2872413567, 6702298323, 20106894969]

約数ペア:

[(1, 20106894969), (3, 6702298323), (7, 2872413567), (9, 2234099441), (21, 957471189), (61, 329621229), (63, 319157063), (97, 207287577), (183, 109873743), (291, 69095859), (427, 47088747), (549, 36624581), (679, 29612511), (873, 23031953), (1281, 15696249), (2037, 9870837), (3843, 5232083), (5917, 3398157), (6111, 3290279), (17751, 1132719), (41419, 485451), (53253, 377573), (53939, 372771), (124257, 161817)]