20392624

素因数分解:

$2^4\times 7^2\times {\mathrm{19}}^1\times {\mathrm{37}}^2$

素因数の和:115

約数の個数: 90

約数和(自身を含む): 49723380

約数和(自身を除く): 29330756

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 37, 38, 49, 56, 74, 76, 98, 112, 133, 148, 152, 196, 259, 266, 296, 304, 392, 518, 532, 592, 703, 784, 931, 1036, 1064, 1369, 1406, 1813, 1862, 2072, 2128, 2738, 2812, 3626, 3724, 4144, 4921, 5476, 5624, 7252, 7448, 9583, 9842, 10952, 11248, 14504, 14896, 19166, 19684, 21904, 26011, 29008, 34447, 38332, 39368, 52022, 67081, 68894, 76664, 78736, 104044, 134162, 137788, 153328, 182077, 208088, 268324, 275576, 364154, 416176, 536648, 551152, 728308, 1073296, 1274539, 1456616, 2549078, 2913232, 5098156, 10196312, 20392624]

約数ペア:

[(1, 20392624), (2, 10196312), (4, 5098156), (7, 2913232), (8, 2549078), (14, 1456616), (16, 1274539), (19, 1073296), (28, 728308), (37, 551152), (38, 536648), (49, 416176), (56, 364154), (74, 275576), (76, 268324), (98, 208088), (112, 182077), (133, 153328), (148, 137788), (152, 134162), (196, 104044), (259, 78736), (266, 76664), (296, 68894), (304, 67081), (392, 52022), (518, 39368), (532, 38332), (592, 34447), (703, 29008), (784, 26011), (931, 21904), (1036, 19684), (1064, 19166), (1369, 14896), (1406, 14504), (1813, 11248), (1862, 10952), (2072, 9842), (2128, 9583), (2738, 7448), (2812, 7252), (3626, 5624), (3724, 5476), (4144, 4921)]