20887042

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{107}}^1\times {\mathrm{467}}^1$

素因数の和:606

約数の個数: 32

約数和(自身を含む): 36391680

約数和(自身を除く): 15504638

約数列:

[1, 2, 11, 19, 22, 38, 107, 209, 214, 418, 467, 934, 1177, 2033, 2354, 4066, 5137, 8873, 10274, 17746, 22363, 44726, 49969, 97603, 99938, 195206, 549659, 949411, 1099318, 1898822, 10443521, 20887042]

約数ペア:

[(1, 20887042), (2, 10443521), (11, 1898822), (19, 1099318), (22, 949411), (38, 549659), (107, 195206), (209, 99938), (214, 97603), (418, 49969), (467, 44726), (934, 22363), (1177, 17746), (2033, 10274), (2354, 8873), (4066, 5137)]