20441628

素因数分解:

$2^2\times 3^2\times {\mathrm{349}}^1\times {\mathrm{1627}}^1$

素因数の和:1986

約数の個数: 36

約数和(自身を含む): 51851800

約数和(自身を除く): 31410172

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 349, 698, 1047, 1396, 1627, 2094, 3141, 3254, 4188, 4881, 6282, 6508, 9762, 12564, 14643, 19524, 29286, 58572, 567823, 1135646, 1703469, 2271292, 3406938, 5110407, 6813876, 10220814, 20441628]

約数ペア:

[(1, 20441628), (2, 10220814), (3, 6813876), (4, 5110407), (6, 3406938), (9, 2271292), (12, 1703469), (18, 1135646), (36, 567823), (349, 58572), (698, 29286), (1047, 19524), (1396, 14643), (1627, 12564), (2094, 9762), (3141, 6508), (3254, 6282), (4188, 4881)]