20679904

素因数分解:

$2^5\times 7^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{113}}^1$

素因数の和:192

約数の個数: 96

約数和(自身を含む): 50561280

約数和(自身を除く): 29881376

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 32, 38, 43, 56, 76, 86, 112, 113, 133, 152, 172, 224, 226, 266, 301, 304, 344, 452, 532, 602, 608, 688, 791, 817, 904, 1064, 1204, 1376, 1582, 1634, 1808, 2128, 2147, 2408, 3164, 3268, 3616, 4256, 4294, 4816, 4859, 5719, 6328, 6536, 8588, 9632, 9718, 11438, 12656, 13072, 15029, 17176, 19436, 22876, 25312, 26144, 30058, 34013, 34352, 38872, 45752, 60116, 68026, 68704, 77744, 91504, 92321, 120232, 136052, 155488, 183008, 184642, 240464, 272104, 369284, 480928, 544208, 646247, 738568, 1088416, 1292494, 1477136, 2584988, 2954272, 5169976, 10339952, 20679904]

約数ペア:

[(1, 20679904), (2, 10339952), (4, 5169976), (7, 2954272), (8, 2584988), (14, 1477136), (16, 1292494), (19, 1088416), (28, 738568), (32, 646247), (38, 544208), (43, 480928), (56, 369284), (76, 272104), (86, 240464), (112, 184642), (113, 183008), (133, 155488), (152, 136052), (172, 120232), (224, 92321), (226, 91504), (266, 77744), (301, 68704), (304, 68026), (344, 60116), (452, 45752), (532, 38872), (602, 34352), (608, 34013), (688, 30058), (791, 26144), (817, 25312), (904, 22876), (1064, 19436), (1204, 17176), (1376, 15029), (1582, 13072), (1634, 12656), (1808, 11438), (2128, 9718), (2147, 9632), (2408, 8588), (3164, 6536), (3268, 6328), (3616, 5719), (4256, 4859), (4294, 4816)]