20171421672

素因数分解:

$2^3\times 3^1\times {\mathrm{17}}^1\times {\mathrm{199}}^1\times {\mathrm{248441}}^1$

素因数の和:248666

約数の個数: 64

約数和(自身を含む): 53663472000

約数和(自身を除く): 33492050328

約数列:

[1, 2, 3, 4, 6, 8, 12, 17, 24, 34, 51, 68, 102, 136, 199, 204, 398, 408, 597, 796, 1194, 1592, 2388, 3383, 4776, 6766, 10149, 13532, 20298, 27064, 40596, 81192, 248441, 496882, 745323, 993764, 1490646, 1987528, 2981292, 4223497, 5962584, 8446994, 12670491, 16893988, 25340982, 33787976, 49439759, 50681964, 98879518, 101363928, 148319277, 197759036, 296638554, 395518072, 593277108, 840475903, 1186554216, 1680951806, 2521427709, 3361903612, 5042855418, 6723807224, 10085710836, 20171421672]

約数ペア:

[(1, 20171421672), (2, 10085710836), (3, 6723807224), (4, 5042855418), (6, 3361903612), (8, 2521427709), (12, 1680951806), (17, 1186554216), (24, 840475903), (34, 593277108), (51, 395518072), (68, 296638554), (102, 197759036), (136, 148319277), (199, 101363928), (204, 98879518), (398, 50681964), (408, 49439759), (597, 33787976), (796, 25340982), (1194, 16893988), (1592, 12670491), (2388, 8446994), (3383, 5962584), (4776, 4223497), (6766, 2981292), (10149, 1987528), (13532, 1490646), (20298, 993764), (27064, 745323), (40596, 496882), (81192, 248441)]