20328875

素因数分解:

$5^3\times 7^2\times {\mathrm{3319}}^1$

素因数の和:3348

約数の個数: 24

約数和(自身を含む): 29521440

約数和(自身を除く): 9192565

約数列:

[1, 5, 7, 25, 35, 49, 125, 175, 245, 875, 1225, 3319, 6125, 16595, 23233, 82975, 116165, 162631, 414875, 580825, 813155, 2904125, 4065775, 20328875]

約数ペア:

[(1, 20328875), (5, 4065775), (7, 2904125), (25, 813155), (35, 580825), (49, 414875), (125, 162631), (175, 116165), (245, 82975), (875, 23233), (1225, 16595), (3319, 6125)]