20758860

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{115327}}^1$

素因数の和:115342

約数の個数: 36

約数和(自身を含む): 62969088

約数和(自身を除く): 42210228

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 115327, 230654, 345981, 461308, 576635, 691962, 1037943, 1153270, 1383924, 1729905, 2075886, 2306540, 3459810, 4151772, 5189715, 6919620, 10379430, 20758860]

約数ペア:

[(1, 20758860), (2, 10379430), (3, 6919620), (4, 5189715), (5, 4151772), (6, 3459810), (9, 2306540), (10, 2075886), (12, 1729905), (15, 1383924), (18, 1153270), (20, 1037943), (30, 691962), (36, 576635), (45, 461308), (60, 345981), (90, 230654), (180, 115327)]