20767580

素因数分解:

$2^2\times 5^1\times {\mathrm{179}}^1\times {\mathrm{5801}}^1$

素因数の和:5989

約数の個数: 24

約数和(自身を含む): 43863120

約数和(自身を除く): 23095540

約数列:

[1, 2, 4, 5, 10, 20, 179, 358, 716, 895, 1790, 3580, 5801, 11602, 23204, 29005, 58010, 116020, 1038379, 2076758, 4153516, 5191895, 10383790, 20767580]

約数ペア:

[(1, 20767580), (2, 10383790), (4, 5191895), (5, 4153516), (10, 2076758), (20, 1038379), (179, 116020), (358, 58010), (716, 29005), (895, 23204), (1790, 11602), (3580, 5801)]