20285952

素因数分解:

$2^9\times 3^1\times {\mathrm{47}}^1\times {\mathrm{281}}^1$

素因数の和:349

約数の個数: 80

約数和(自身を含む): 55389312

約数和(自身を除く): 35103360

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 47, 48, 64, 94, 96, 128, 141, 188, 192, 256, 281, 282, 376, 384, 512, 562, 564, 752, 768, 843, 1124, 1128, 1504, 1536, 1686, 2248, 2256, 3008, 3372, 4496, 4512, 6016, 6744, 8992, 9024, 12032, 13207, 13488, 17984, 18048, 24064, 26414, 26976, 35968, 36096, 39621, 52828, 53952, 71936, 72192, 79242, 105656, 107904, 143872, 158484, 211312, 215808, 316968, 422624, 431616, 633936, 845248, 1267872, 1690496, 2535744, 3380992, 5071488, 6761984, 10142976, 20285952]

約数ペア:

[(1, 20285952), (2, 10142976), (3, 6761984), (4, 5071488), (6, 3380992), (8, 2535744), (12, 1690496), (16, 1267872), (24, 845248), (32, 633936), (47, 431616), (48, 422624), (64, 316968), (94, 215808), (96, 211312), (128, 158484), (141, 143872), (188, 107904), (192, 105656), (256, 79242), (281, 72192), (282, 71936), (376, 53952), (384, 52828), (512, 39621), (562, 36096), (564, 35968), (752, 26976), (768, 26414), (843, 24064), (1124, 18048), (1128, 17984), (1504, 13488), (1536, 13207), (1686, 12032), (2248, 9024), (2256, 8992), (3008, 6744), (3372, 6016), (4496, 4512)]