20849760

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{14479}}^1$

素因数の和:14500

約数の個数: 72

約数和(自身を含む): 71154720

約数和(自身を除く): 50304960

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 120, 144, 160, 180, 240, 288, 360, 480, 720, 1440, 14479, 28958, 43437, 57916, 72395, 86874, 115832, 130311, 144790, 173748, 217185, 231664, 260622, 289580, 347496, 434370, 463328, 521244, 579160, 651555, 694992, 868740, 1042488, 1158320, 1303110, 1389984, 1737480, 2084976, 2316640, 2606220, 3474960, 4169952, 5212440, 6949920, 10424880, 20849760]

約数ペア:

[(1, 20849760), (2, 10424880), (3, 6949920), (4, 5212440), (5, 4169952), (6, 3474960), (8, 2606220), (9, 2316640), (10, 2084976), (12, 1737480), (15, 1389984), (16, 1303110), (18, 1158320), (20, 1042488), (24, 868740), (30, 694992), (32, 651555), (36, 579160), (40, 521244), (45, 463328), (48, 434370), (60, 347496), (72, 289580), (80, 260622), (90, 231664), (96, 217185), (120, 173748), (144, 144790), (160, 130311), (180, 115832), (240, 86874), (288, 72395), (360, 57916), (480, 43437), (720, 28958), (1440, 14479)]