20254860

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{12503}}^1$

素因数の和:12524

約数の個数: 60

約数和(自身を含む): 63545328

約数和(自身を除く): 43290468

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 270, 324, 405, 540, 810, 1620, 12503, 25006, 37509, 50012, 62515, 75018, 112527, 125030, 150036, 187545, 225054, 250060, 337581, 375090, 450108, 562635, 675162, 750180, 1012743, 1125270, 1350324, 1687905, 2025486, 2250540, 3375810, 4050972, 5063715, 6751620, 10127430, 20254860]

約数ペア:

[(1, 20254860), (2, 10127430), (3, 6751620), (4, 5063715), (5, 4050972), (6, 3375810), (9, 2250540), (10, 2025486), (12, 1687905), (15, 1350324), (18, 1125270), (20, 1012743), (27, 750180), (30, 675162), (36, 562635), (45, 450108), (54, 375090), (60, 337581), (81, 250060), (90, 225054), (108, 187545), (135, 150036), (162, 125030), (180, 112527), (270, 75018), (324, 62515), (405, 50012), (540, 37509), (810, 25006), (1620, 12503)]