20280864

素因数分解:

$2^5\times 3^1\times {\mathrm{17}}^3\times {\mathrm{43}}^1$

素因数の和:107

約数の個数: 96

約数和(自身を含む): 57879360

約数和(自身を除く): 37598496

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 17, 24, 32, 34, 43, 48, 51, 68, 86, 96, 102, 129, 136, 172, 204, 258, 272, 289, 344, 408, 516, 544, 578, 688, 731, 816, 867, 1032, 1156, 1376, 1462, 1632, 1734, 2064, 2193, 2312, 2924, 3468, 4128, 4386, 4624, 4913, 5848, 6936, 8772, 9248, 9826, 11696, 12427, 13872, 14739, 17544, 19652, 23392, 24854, 27744, 29478, 35088, 37281, 39304, 49708, 58956, 70176, 74562, 78608, 99416, 117912, 149124, 157216, 198832, 211259, 235824, 298248, 397664, 422518, 471648, 596496, 633777, 845036, 1192992, 1267554, 1690072, 2535108, 3380144, 5070216, 6760288, 10140432, 20280864]

約数ペア:

[(1, 20280864), (2, 10140432), (3, 6760288), (4, 5070216), (6, 3380144), (8, 2535108), (12, 1690072), (16, 1267554), (17, 1192992), (24, 845036), (32, 633777), (34, 596496), (43, 471648), (48, 422518), (51, 397664), (68, 298248), (86, 235824), (96, 211259), (102, 198832), (129, 157216), (136, 149124), (172, 117912), (204, 99416), (258, 78608), (272, 74562), (289, 70176), (344, 58956), (408, 49708), (516, 39304), (544, 37281), (578, 35088), (688, 29478), (731, 27744), (816, 24854), (867, 23392), (1032, 19652), (1156, 17544), (1376, 14739), (1462, 13872), (1632, 12427), (1734, 11696), (2064, 9826), (2193, 9248), (2312, 8772), (2924, 6936), (3468, 5848), (4128, 4913), (4386, 4624)]