20462813

素因数分解:

$7^1\times {\mathrm{37}}^1\times {\mathrm{41}}^2\times {\mathrm{47}}^1$

素因数の和:173

約数の個数: 24

約数和(自身を含む): 25142016

約数和(自身を除く): 4679203

約数列:

[1, 7, 37, 41, 47, 259, 287, 329, 1517, 1681, 1739, 1927, 10619, 11767, 12173, 13489, 62197, 71299, 79007, 435379, 499093, 553049, 2923259, 20462813]

約数ペア:

[(1, 20462813), (7, 2923259), (37, 553049), (41, 499093), (47, 435379), (259, 79007), (287, 71299), (329, 62197), (1517, 13489), (1681, 12173), (1739, 11767), (1927, 10619)]