20246571891

素因数分解:

$3^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{8240363}}^1$

素因数の和:8240392

約数の個数: 32

約数和(自身を含む): 36916830720

約数和(自身を除く): 16670258829

約数列:

[1, 3, 7, 9, 13, 21, 27, 39, 63, 91, 117, 189, 273, 351, 819, 2457, 8240363, 24721089, 57682541, 74163267, 107124719, 173047623, 222489801, 321374157, 519142869, 749873033, 964122471, 1557428607, 2249619099, 2892367413, 6748857297, 20246571891]

約数ペア:

[(1, 20246571891), (3, 6748857297), (7, 2892367413), (9, 2249619099), (13, 1557428607), (21, 964122471), (27, 749873033), (39, 519142869), (63, 321374157), (91, 222489801), (117, 173047623), (189, 107124719), (273, 74163267), (351, 57682541), (819, 24721089), (2457, 8240363)]