20489328

素因数分解:

$2^4\times 3^3\times {\mathrm{43}}^1\times {\mathrm{1103}}^1$

素因数の和:1163

約数の個数: 80

約数和(自身を含む): 60234240

約数和(自身を除く): 39744912

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 36, 43, 48, 54, 72, 86, 108, 129, 144, 172, 216, 258, 344, 387, 432, 516, 688, 774, 1032, 1103, 1161, 1548, 2064, 2206, 2322, 3096, 3309, 4412, 4644, 6192, 6618, 8824, 9288, 9927, 13236, 17648, 18576, 19854, 26472, 29781, 39708, 47429, 52944, 59562, 79416, 94858, 119124, 142287, 158832, 189716, 238248, 284574, 379432, 426861, 476496, 569148, 758864, 853722, 1138296, 1280583, 1707444, 2276592, 2561166, 3414888, 5122332, 6829776, 10244664, 20489328]

約数ペア:

[(1, 20489328), (2, 10244664), (3, 6829776), (4, 5122332), (6, 3414888), (8, 2561166), (9, 2276592), (12, 1707444), (16, 1280583), (18, 1138296), (24, 853722), (27, 758864), (36, 569148), (43, 476496), (48, 426861), (54, 379432), (72, 284574), (86, 238248), (108, 189716), (129, 158832), (144, 142287), (172, 119124), (216, 94858), (258, 79416), (344, 59562), (387, 52944), (432, 47429), (516, 39708), (688, 29781), (774, 26472), (1032, 19854), (1103, 18576), (1161, 17648), (1548, 13236), (2064, 9927), (2206, 9288), (2322, 8824), (3096, 6618), (3309, 6192), (4412, 4644)]