20749137

素因数分解:

$3^1\times {\mathrm{31}}^1\times {\mathrm{47}}^2\times {\mathrm{101}}^1$

素因数の和:229

約数の個数: 24

約数和(自身を含む): 29467392

約数和(自身を除く): 8718255

約数列:

[1, 3, 31, 47, 93, 101, 141, 303, 1457, 2209, 3131, 4371, 4747, 6627, 9393, 14241, 68479, 147157, 205437, 223109, 441471, 669327, 6916379, 20749137]

約数ペア:

[(1, 20749137), (3, 6916379), (31, 669327), (47, 441471), (93, 223109), (101, 205437), (141, 147157), (303, 68479), (1457, 14241), (2209, 9393), (3131, 6627), (4371, 4747)]