20946195

素因数分解:

$3^4\times 5^1\times {\mathrm{51719}}^1$

素因数の和:51736

約数の個数: 20

約数和(自身を含む): 37548720

約数和(自身を除く): 16602525

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 51719, 155157, 258595, 465471, 775785, 1396413, 2327355, 4189239, 6982065, 20946195]

約数ペア:

[(1, 20946195), (3, 6982065), (5, 4189239), (9, 2327355), (15, 1396413), (27, 775785), (45, 465471), (81, 258595), (135, 155157), (405, 51719)]