20256384

素因数分解:

$2^7\times 3^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{107}}^1$

素因数の和:170

約数の個数: 128

約数和(自身を含む): 59486400

約数和(自身を除く): 39230016

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 17, 24, 29, 32, 34, 48, 51, 58, 64, 68, 87, 96, 102, 107, 116, 128, 136, 174, 192, 204, 214, 232, 272, 321, 348, 384, 408, 428, 464, 493, 544, 642, 696, 816, 856, 928, 986, 1088, 1284, 1392, 1479, 1632, 1712, 1819, 1856, 1972, 2176, 2568, 2784, 2958, 3103, 3264, 3424, 3638, 3712, 3944, 5136, 5457, 5568, 5916, 6206, 6528, 6848, 7276, 7888, 9309, 10272, 10914, 11136, 11832, 12412, 13696, 14552, 15776, 18618, 20544, 21828, 23664, 24824, 29104, 31552, 37236, 41088, 43656, 47328, 49648, 52751, 58208, 63104, 74472, 87312, 94656, 99296, 105502, 116416, 148944, 158253, 174624, 189312, 198592, 211004, 232832, 297888, 316506, 349248, 397184, 422008, 595776, 633012, 698496, 844016, 1191552, 1266024, 1688032, 2532048, 3376064, 5064096, 6752128, 10128192, 20256384]

約数ペア:

[(1, 20256384), (2, 10128192), (3, 6752128), (4, 5064096), (6, 3376064), (8, 2532048), (12, 1688032), (16, 1266024), (17, 1191552), (24, 844016), (29, 698496), (32, 633012), (34, 595776), (48, 422008), (51, 397184), (58, 349248), (64, 316506), (68, 297888), (87, 232832), (96, 211004), (102, 198592), (107, 189312), (116, 174624), (128, 158253), (136, 148944), (174, 116416), (192, 105502), (204, 99296), (214, 94656), (232, 87312), (272, 74472), (321, 63104), (348, 58208), (384, 52751), (408, 49648), (428, 47328), (464, 43656), (493, 41088), (544, 37236), (642, 31552), (696, 29104), (816, 24824), (856, 23664), (928, 21828), (986, 20544), (1088, 18618), (1284, 15776), (1392, 14552), (1479, 13696), (1632, 12412), (1712, 11832), (1819, 11136), (1856, 10914), (1972, 10272), (2176, 9309), (2568, 7888), (2784, 7276), (2958, 6848), (3103, 6528), (3264, 6206), (3424, 5916), (3638, 5568), (3712, 5457), (3944, 5136)]