20277069

素因数分解:

$3^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{4639}}^1$

素因数の和:4720

約数の個数: 16

約数和(自身を含む): 28508160

約数和(自身を除く): 8231091

約数列:

[1, 3, 31, 47, 93, 141, 1457, 4371, 4639, 13917, 143809, 218033, 431427, 654099, 6759023, 20277069]

約数ペア:

[(1, 20277069), (3, 6759023), (31, 654099), (47, 431427), (93, 218033), (141, 143809), (1457, 13917), (4371, 4639)]