20267950

素因数分解:

$2^1\times 5^2\times {\mathrm{457}}^1\times {\mathrm{887}}^1$

素因数の和:1356

約数の個数: 24

約数和(自身を含む): 37823472

約数和(自身を除く): 17555522

約数列:

[1, 2, 5, 10, 25, 50, 457, 887, 914, 1774, 2285, 4435, 4570, 8870, 11425, 22175, 22850, 44350, 405359, 810718, 2026795, 4053590, 10133975, 20267950]

約数ペア:

[(1, 20267950), (2, 10133975), (5, 4053590), (10, 2026795), (25, 810718), (50, 405359), (457, 44350), (887, 22850), (914, 22175), (1774, 11425), (2285, 8870), (4435, 4570)]