20391378

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{485509}}^1$

素因数の和:485521

約数の個数: 16

約数和(自身を含む): 46608960

約数和(自身を除く): 26217582

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 485509, 971018, 1456527, 2913054, 3398563, 6797126, 10195689, 20391378]

約数ペア:

[(1, 20391378), (2, 10195689), (3, 6797126), (6, 3398563), (7, 2913054), (14, 1456527), (21, 971018), (42, 485509)]