20174224

素因数分解:

$2^4\times 7^1\times {\mathrm{43}}^1\times {\mathrm{59}}^1\times {\mathrm{71}}^1$

素因数の和:188

約数の個数: 80

約数和(自身を含む): 47139840

約数和(自身を除く): 26965616

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 43, 56, 59, 71, 86, 112, 118, 142, 172, 236, 284, 301, 344, 413, 472, 497, 568, 602, 688, 826, 944, 994, 1136, 1204, 1652, 1988, 2408, 2537, 3053, 3304, 3976, 4189, 4816, 5074, 6106, 6608, 7952, 8378, 10148, 12212, 16756, 17759, 20296, 21371, 24424, 29323, 33512, 35518, 40592, 42742, 48848, 58646, 67024, 71036, 85484, 117292, 142072, 170968, 180127, 234584, 284144, 341936, 360254, 469168, 720508, 1260889, 1441016, 2521778, 2882032, 5043556, 10087112, 20174224]

約数ペア:

[(1, 20174224), (2, 10087112), (4, 5043556), (7, 2882032), (8, 2521778), (14, 1441016), (16, 1260889), (28, 720508), (43, 469168), (56, 360254), (59, 341936), (71, 284144), (86, 234584), (112, 180127), (118, 170968), (142, 142072), (172, 117292), (236, 85484), (284, 71036), (301, 67024), (344, 58646), (413, 48848), (472, 42742), (497, 40592), (568, 35518), (602, 33512), (688, 29323), (826, 24424), (944, 21371), (994, 20296), (1136, 17759), (1204, 16756), (1652, 12212), (1988, 10148), (2408, 8378), (2537, 7952), (3053, 6608), (3304, 6106), (3976, 5074), (4189, 4816)]