20968704

素因数分解:

$2^8\times 3^2\times {\mathrm{19}}^1\times {\mathrm{479}}^1$

素因数の和:520

約数の個数: 108

約数和(自身を含む): 63772800

約数和(自身を除く): 42804096

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 19, 24, 32, 36, 38, 48, 57, 64, 72, 76, 96, 114, 128, 144, 152, 171, 192, 228, 256, 288, 304, 342, 384, 456, 479, 576, 608, 684, 768, 912, 958, 1152, 1216, 1368, 1437, 1824, 1916, 2304, 2432, 2736, 2874, 3648, 3832, 4311, 4864, 5472, 5748, 7296, 7664, 8622, 9101, 10944, 11496, 14592, 15328, 17244, 18202, 21888, 22992, 27303, 30656, 34488, 36404, 43776, 45984, 54606, 61312, 68976, 72808, 81909, 91968, 109212, 122624, 137952, 145616, 163818, 183936, 218424, 275904, 291232, 327636, 367872, 436848, 551808, 582464, 655272, 873696, 1103616, 1164928, 1310544, 1747392, 2329856, 2621088, 3494784, 5242176, 6989568, 10484352, 20968704]

約数ペア:

[(1, 20968704), (2, 10484352), (3, 6989568), (4, 5242176), (6, 3494784), (8, 2621088), (9, 2329856), (12, 1747392), (16, 1310544), (18, 1164928), (19, 1103616), (24, 873696), (32, 655272), (36, 582464), (38, 551808), (48, 436848), (57, 367872), (64, 327636), (72, 291232), (76, 275904), (96, 218424), (114, 183936), (128, 163818), (144, 145616), (152, 137952), (171, 122624), (192, 109212), (228, 91968), (256, 81909), (288, 72808), (304, 68976), (342, 61312), (384, 54606), (456, 45984), (479, 43776), (576, 36404), (608, 34488), (684, 30656), (768, 27303), (912, 22992), (958, 21888), (1152, 18202), (1216, 17244), (1368, 15328), (1437, 14592), (1824, 11496), (1916, 10944), (2304, 9101), (2432, 8622), (2736, 7664), (2874, 7296), (3648, 5748), (3832, 5472), (4311, 4864)]