20399442

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{485701}}^1$

素因数の和:485713

約数の個数: 16

約数和(自身を含む): 46627392

約数和(自身を除く): 26227950

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 485701, 971402, 1457103, 2914206, 3399907, 6799814, 10199721, 20399442]

約数ペア:

[(1, 20399442), (2, 10199721), (3, 6799814), (6, 3399907), (7, 2914206), (14, 1457103), (21, 971402), (42, 485701)]