20420350

素因数分解:

$2^1\times 5^2\times {\mathrm{29}}^1\times {\mathrm{14083}}^1$

素因数の和:14124

約数の個数: 24

約数和(自身を含む): 39294360

約数和(自身を除く): 18874010

約数列:

[1, 2, 5, 10, 25, 29, 50, 58, 145, 290, 725, 1450, 14083, 28166, 70415, 140830, 352075, 408407, 704150, 816814, 2042035, 4084070, 10210175, 20420350]

約数ペア:

[(1, 20420350), (2, 10210175), (5, 4084070), (10, 2042035), (25, 816814), (29, 704150), (50, 408407), (58, 352075), (145, 140830), (290, 70415), (725, 28166), (1450, 14083)]