20172586287

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{263}}^1\times {\mathrm{158803}}^1$

素因数の和:159099

約数の個数: 32

約数和(自身を含む): 32197828608

約数和(自身を除く): 12025242321

約数列:

[1, 3, 7, 21, 23, 69, 161, 263, 483, 789, 1841, 5523, 6049, 18147, 42343, 127029, 158803, 476409, 1111621, 3334863, 3652469, 10957407, 25567283, 41765189, 76701849, 125295567, 292356323, 877068969, 960599347, 2881798041, 6724195429, 20172586287]

約数ペア:

[(1, 20172586287), (3, 6724195429), (7, 2881798041), (21, 960599347), (23, 877068969), (69, 292356323), (161, 125295567), (263, 76701849), (483, 41765189), (789, 25567283), (1841, 10957407), (5523, 3652469), (6049, 3334863), (18147, 1111621), (42343, 476409), (127029, 158803)]