20251620

素因数分解:

$2^2\times 3^7\times 5^1\times {\mathrm{463}}^1$

素因数の和:493

約数の個数: 96

約数和(自身を含む): 63920640

約数和(自身を除く): 43669020

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, 243, 270, 324, 405, 463, 486, 540, 729, 810, 926, 972, 1215, 1389, 1458, 1620, 1852, 2187, 2315, 2430, 2778, 2916, 3645, 4167, 4374, 4630, 4860, 5556, 6945, 7290, 8334, 8748, 9260, 10935, 12501, 13890, 14580, 16668, 20835, 21870, 25002, 27780, 37503, 41670, 43740, 50004, 62505, 75006, 83340, 112509, 125010, 150012, 187515, 225018, 250020, 337527, 375030, 450036, 562545, 675054, 750060, 1012581, 1125090, 1350108, 1687635, 2025162, 2250180, 3375270, 4050324, 5062905, 6750540, 10125810, 20251620]

約数ペア:

[(1, 20251620), (2, 10125810), (3, 6750540), (4, 5062905), (5, 4050324), (6, 3375270), (9, 2250180), (10, 2025162), (12, 1687635), (15, 1350108), (18, 1125090), (20, 1012581), (27, 750060), (30, 675054), (36, 562545), (45, 450036), (54, 375030), (60, 337527), (81, 250020), (90, 225018), (108, 187515), (135, 150012), (162, 125010), (180, 112509), (243, 83340), (270, 75006), (324, 62505), (405, 50004), (463, 43740), (486, 41670), (540, 37503), (729, 27780), (810, 25002), (926, 21870), (972, 20835), (1215, 16668), (1389, 14580), (1458, 13890), (1620, 12501), (1852, 10935), (2187, 9260), (2315, 8748), (2430, 8334), (2778, 7290), (2916, 6945), (3645, 5556), (4167, 4860), (4374, 4630)]