20499552

素因数分解:

$2^5\times 3^2\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{79}}^1$

素因数の和:165

約数の個数: 144

約数和(自身を含む): 63685440

約数和(自身を除く): 43185888

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 17, 18, 24, 32, 34, 36, 48, 51, 53, 68, 72, 79, 96, 102, 106, 136, 144, 153, 158, 159, 204, 212, 237, 272, 288, 306, 316, 318, 408, 424, 474, 477, 544, 612, 632, 636, 711, 816, 848, 901, 948, 954, 1224, 1264, 1272, 1343, 1422, 1632, 1696, 1802, 1896, 1908, 2448, 2528, 2544, 2686, 2703, 2844, 3604, 3792, 3816, 4029, 4187, 4896, 5088, 5372, 5406, 5688, 7208, 7584, 7632, 8058, 8109, 8374, 10744, 10812, 11376, 12087, 12561, 14416, 15264, 16116, 16218, 16748, 21488, 21624, 22752, 24174, 25122, 28832, 32232, 32436, 33496, 37683, 42976, 43248, 48348, 50244, 64464, 64872, 66992, 71179, 75366, 86496, 96696, 100488, 128928, 129744, 133984, 142358, 150732, 193392, 200976, 213537, 259488, 284716, 301464, 386784, 401952, 427074, 569432, 602928, 640611, 854148, 1138864, 1205856, 1281222, 1708296, 2277728, 2562444, 3416592, 5124888, 6833184, 10249776, 20499552]

約数ペア:

[(1, 20499552), (2, 10249776), (3, 6833184), (4, 5124888), (6, 3416592), (8, 2562444), (9, 2277728), (12, 1708296), (16, 1281222), (17, 1205856), (18, 1138864), (24, 854148), (32, 640611), (34, 602928), (36, 569432), (48, 427074), (51, 401952), (53, 386784), (68, 301464), (72, 284716), (79, 259488), (96, 213537), (102, 200976), (106, 193392), (136, 150732), (144, 142358), (153, 133984), (158, 129744), (159, 128928), (204, 100488), (212, 96696), (237, 86496), (272, 75366), (288, 71179), (306, 66992), (316, 64872), (318, 64464), (408, 50244), (424, 48348), (474, 43248), (477, 42976), (544, 37683), (612, 33496), (632, 32436), (636, 32232), (711, 28832), (816, 25122), (848, 24174), (901, 22752), (948, 21624), (954, 21488), (1224, 16748), (1264, 16218), (1272, 16116), (1343, 15264), (1422, 14416), (1632, 12561), (1696, 12087), (1802, 11376), (1896, 10812), (1908, 10744), (2448, 8374), (2528, 8109), (2544, 8058), (2686, 7632), (2703, 7584), (2844, 7208), (3604, 5688), (3792, 5406), (3816, 5372), (4029, 5088), (4187, 4896)]