20182620

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{263}}^1\times {\mathrm{1279}}^1$

素因数の和:1554

約数の個数: 48

約数和(自身を含む): 56770560

約数和(自身を除く): 36587940

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 263, 526, 789, 1052, 1279, 1315, 1578, 2558, 2630, 3156, 3837, 3945, 5116, 5260, 6395, 7674, 7890, 12790, 15348, 15780, 19185, 25580, 38370, 76740, 336377, 672754, 1009131, 1345508, 1681885, 2018262, 3363770, 4036524, 5045655, 6727540, 10091310, 20182620]

約数ペア:

[(1, 20182620), (2, 10091310), (3, 6727540), (4, 5045655), (5, 4036524), (6, 3363770), (10, 2018262), (12, 1681885), (15, 1345508), (20, 1009131), (30, 672754), (60, 336377), (263, 76740), (526, 38370), (789, 25580), (1052, 19185), (1279, 15780), (1315, 15348), (1578, 12790), (2558, 7890), (2630, 7674), (3156, 6395), (3837, 5260), (3945, 5116)]