20346912

素因数分解:

$2^5\times 3^2\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1$

素因数の和:143

約数の個数: 144

約数和(自身を含む): 62270208

約数和(自身を除く): 41923296

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 31, 32, 36, 43, 48, 53, 62, 72, 86, 93, 96, 106, 124, 129, 144, 159, 172, 186, 212, 248, 258, 279, 288, 318, 344, 372, 387, 424, 477, 496, 516, 558, 636, 688, 744, 774, 848, 954, 992, 1032, 1116, 1272, 1333, 1376, 1488, 1548, 1643, 1696, 1908, 2064, 2232, 2279, 2544, 2666, 2976, 3096, 3286, 3816, 3999, 4128, 4464, 4558, 4929, 5088, 5332, 6192, 6572, 6837, 7632, 7998, 8928, 9116, 9858, 10664, 11997, 12384, 13144, 13674, 14787, 15264, 15996, 18232, 19716, 20511, 21328, 23994, 26288, 27348, 29574, 31992, 36464, 39432, 41022, 42656, 47988, 52576, 54696, 59148, 63984, 70649, 72928, 78864, 82044, 95976, 109392, 118296, 127968, 141298, 157728, 164088, 191952, 211947, 218784, 236592, 282596, 328176, 383904, 423894, 473184, 565192, 635841, 656352, 847788, 1130384, 1271682, 1695576, 2260768, 2543364, 3391152, 5086728, 6782304, 10173456, 20346912]

約数ペア:

[(1, 20346912), (2, 10173456), (3, 6782304), (4, 5086728), (6, 3391152), (8, 2543364), (9, 2260768), (12, 1695576), (16, 1271682), (18, 1130384), (24, 847788), (31, 656352), (32, 635841), (36, 565192), (43, 473184), (48, 423894), (53, 383904), (62, 328176), (72, 282596), (86, 236592), (93, 218784), (96, 211947), (106, 191952), (124, 164088), (129, 157728), (144, 141298), (159, 127968), (172, 118296), (186, 109392), (212, 95976), (248, 82044), (258, 78864), (279, 72928), (288, 70649), (318, 63984), (344, 59148), (372, 54696), (387, 52576), (424, 47988), (477, 42656), (496, 41022), (516, 39432), (558, 36464), (636, 31992), (688, 29574), (744, 27348), (774, 26288), (848, 23994), (954, 21328), (992, 20511), (1032, 19716), (1116, 18232), (1272, 15996), (1333, 15264), (1376, 14787), (1488, 13674), (1548, 13144), (1643, 12384), (1696, 11997), (1908, 10664), (2064, 9858), (2232, 9116), (2279, 8928), (2544, 7998), (2666, 7632), (2976, 6837), (3096, 6572), (3286, 6192), (3816, 5332), (3999, 5088), (4128, 4929), (4464, 4558)]