20336421

素因数分解:

$3^1\times 7^2\times {\mathrm{37}}^1\times {\mathrm{3739}}^1$

素因数の和:3793

約数の個数: 24

約数和(自身を含む): 32403360

約数和(自身を除く): 12066939

約数列:

[1, 3, 7, 21, 37, 49, 111, 147, 259, 777, 1813, 3739, 5439, 11217, 26173, 78519, 138343, 183211, 415029, 549633, 968401, 2905203, 6778807, 20336421]

約数ペア:

[(1, 20336421), (3, 6778807), (7, 2905203), (21, 968401), (37, 549633), (49, 415029), (111, 183211), (147, 138343), (259, 78519), (777, 26173), (1813, 11217), (3739, 5439)]