20656260

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{114757}}^1$

素因数の和:114772

約数の個数: 36

約数和(自身を含む): 62657868

約数和(自身を除く): 42001608

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 114757, 229514, 344271, 459028, 573785, 688542, 1032813, 1147570, 1377084, 1721355, 2065626, 2295140, 3442710, 4131252, 5164065, 6885420, 10328130, 20656260]

約数ペア:

[(1, 20656260), (2, 10328130), (3, 6885420), (4, 5164065), (5, 4131252), (6, 3442710), (9, 2295140), (10, 2065626), (12, 1721355), (15, 1377084), (18, 1147570), (20, 1032813), (30, 688542), (36, 573785), (45, 459028), (60, 344271), (90, 229514), (180, 114757)]