20259180

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{37517}}^1$

素因数の和:37535

約数の個数: 48

約数和(自身を含む): 63030240

約数和(自身を除く): 42771060

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 270, 540, 37517, 75034, 112551, 150068, 187585, 225102, 337653, 375170, 450204, 562755, 675306, 750340, 1012959, 1125510, 1350612, 1688265, 2025918, 2251020, 3376530, 4051836, 5064795, 6753060, 10129590, 20259180]

約数ペア:

[(1, 20259180), (2, 10129590), (3, 6753060), (4, 5064795), (5, 4051836), (6, 3376530), (9, 2251020), (10, 2025918), (12, 1688265), (15, 1350612), (18, 1125510), (20, 1012959), (27, 750340), (30, 675306), (36, 562755), (45, 450204), (54, 375170), (60, 337653), (90, 225102), (108, 187585), (135, 150068), (180, 112551), (270, 75034), (540, 37517)]