20679840

素因数分解:

$2^5\times 3^3\times 5^1\times {\mathrm{4787}}^1$

素因数の和:4811

約数の個数: 96

約数和(自身を含む): 72394560

約数和(自身を除く): 51714720

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 72, 80, 90, 96, 108, 120, 135, 144, 160, 180, 216, 240, 270, 288, 360, 432, 480, 540, 720, 864, 1080, 1440, 2160, 4320, 4787, 9574, 14361, 19148, 23935, 28722, 38296, 43083, 47870, 57444, 71805, 76592, 86166, 95740, 114888, 129249, 143610, 153184, 172332, 191480, 215415, 229776, 258498, 287220, 344664, 382960, 430830, 459552, 516996, 574440, 646245, 689328, 765920, 861660, 1033992, 1148880, 1292490, 1378656, 1723320, 2067984, 2297760, 2584980, 3446640, 4135968, 5169960, 6893280, 10339920, 20679840]

約数ペア:

[(1, 20679840), (2, 10339920), (3, 6893280), (4, 5169960), (5, 4135968), (6, 3446640), (8, 2584980), (9, 2297760), (10, 2067984), (12, 1723320), (15, 1378656), (16, 1292490), (18, 1148880), (20, 1033992), (24, 861660), (27, 765920), (30, 689328), (32, 646245), (36, 574440), (40, 516996), (45, 459552), (48, 430830), (54, 382960), (60, 344664), (72, 287220), (80, 258498), (90, 229776), (96, 215415), (108, 191480), (120, 172332), (135, 153184), (144, 143610), (160, 129249), (180, 114888), (216, 95740), (240, 86166), (270, 76592), (288, 71805), (360, 57444), (432, 47870), (480, 43083), (540, 38296), (720, 28722), (864, 23935), (1080, 19148), (1440, 14361), (2160, 9574), (4320, 4787)]