11687420

素因数分解:

$2^2\times 5^1\times {\mathrm{313}}^1\times {\mathrm{1867}}^1$

素因数の和:2189

約数の個数: 24

約数和(自身を含む): 24635184

約数和(自身を除く): 12947764

約数列:

[1, 2, 4, 5, 10, 20, 313, 626, 1252, 1565, 1867, 3130, 3734, 6260, 7468, 9335, 18670, 37340, 584371, 1168742, 2337484, 2921855, 5843710, 11687420]

約数ペア:

[(1, 11687420), (2, 5843710), (4, 2921855), (5, 2337484), (10, 1168742), (20, 584371), (313, 37340), (626, 18670), (1252, 9335), (1565, 7468), (1867, 6260), (3130, 3734)]