20555712

素因数分解:

$2^6\times 3^2\times {\mathrm{127}}^1\times {\mathrm{281}}^1$

素因数の和:426

約数の個数: 84

約数和(自身を含む): 59594496

約数和(自身を除く): 39038784

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 64, 72, 96, 127, 144, 192, 254, 281, 288, 381, 508, 562, 576, 762, 843, 1016, 1124, 1143, 1524, 1686, 2032, 2248, 2286, 2529, 3048, 3372, 4064, 4496, 4572, 5058, 6096, 6744, 8128, 8992, 9144, 10116, 12192, 13488, 17984, 18288, 20232, 24384, 26976, 35687, 36576, 40464, 53952, 71374, 73152, 80928, 107061, 142748, 161856, 214122, 285496, 321183, 428244, 570992, 642366, 856488, 1141984, 1284732, 1712976, 2283968, 2569464, 3425952, 5138928, 6851904, 10277856, 20555712]

約数ペア:

[(1, 20555712), (2, 10277856), (3, 6851904), (4, 5138928), (6, 3425952), (8, 2569464), (9, 2283968), (12, 1712976), (16, 1284732), (18, 1141984), (24, 856488), (32, 642366), (36, 570992), (48, 428244), (64, 321183), (72, 285496), (96, 214122), (127, 161856), (144, 142748), (192, 107061), (254, 80928), (281, 73152), (288, 71374), (381, 53952), (508, 40464), (562, 36576), (576, 35687), (762, 26976), (843, 24384), (1016, 20232), (1124, 18288), (1143, 17984), (1524, 13488), (1686, 12192), (2032, 10116), (2248, 9144), (2286, 8992), (2529, 8128), (3048, 6744), (3372, 6096), (4064, 5058), (4496, 4572)]