20428950

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{136193}}^1$

素因数の和:136208

約数の個数: 24

約数和(自身を含む): 50664168

約数和(自身を除く): 30235218

約数列:

[1, 2, 3, 5, 6, 10, 15, 25, 30, 50, 75, 150, 136193, 272386, 408579, 680965, 817158, 1361930, 2042895, 3404825, 4085790, 6809650, 10214475, 20428950]

約数ペア:

[(1, 20428950), (2, 10214475), (3, 6809650), (5, 4085790), (6, 3404825), (10, 2042895), (15, 1361930), (25, 817158), (30, 680965), (50, 408579), (75, 272386), (150, 136193)]