20431836

素因数分解:

$2^2\times 3^2\times {\mathrm{389}}^1\times {\mathrm{1459}}^1$

素因数の和:1858

約数の個数: 36

約数和(自身を含む): 51815400

約数和(自身を除く): 31383564

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 389, 778, 1167, 1459, 1556, 2334, 2918, 3501, 4377, 4668, 5836, 7002, 8754, 13131, 14004, 17508, 26262, 52524, 567551, 1135102, 1702653, 2270204, 3405306, 5107959, 6810612, 10215918, 20431836]

約数ペア:

[(1, 20431836), (2, 10215918), (3, 6810612), (4, 5107959), (6, 3405306), (9, 2270204), (12, 1702653), (18, 1135102), (36, 567551), (389, 52524), (778, 26262), (1167, 17508), (1459, 14004), (1556, 13131), (2334, 8754), (2918, 7002), (3501, 5836), (4377, 4668)]