20879616

素因数分解:

$2^8\times 3^1\times {\mathrm{31}}^1\times {\mathrm{877}}^1$

素因数の和:927

約数の個数: 72

約数和(自身を含む): 57428224

約数和(自身を除く): 36548608

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 31, 32, 48, 62, 64, 93, 96, 124, 128, 186, 192, 248, 256, 372, 384, 496, 744, 768, 877, 992, 1488, 1754, 1984, 2631, 2976, 3508, 3968, 5262, 5952, 7016, 7936, 10524, 11904, 14032, 21048, 23808, 27187, 28064, 42096, 54374, 56128, 81561, 84192, 108748, 112256, 163122, 168384, 217496, 224512, 326244, 336768, 434992, 652488, 673536, 869984, 1304976, 1739968, 2609952, 3479936, 5219904, 6959872, 10439808, 20879616]

約数ペア:

[(1, 20879616), (2, 10439808), (3, 6959872), (4, 5219904), (6, 3479936), (8, 2609952), (12, 1739968), (16, 1304976), (24, 869984), (31, 673536), (32, 652488), (48, 434992), (62, 336768), (64, 326244), (93, 224512), (96, 217496), (124, 168384), (128, 163122), (186, 112256), (192, 108748), (248, 84192), (256, 81561), (372, 56128), (384, 54374), (496, 42096), (744, 28064), (768, 27187), (877, 23808), (992, 21048), (1488, 14032), (1754, 11904), (1984, 10524), (2631, 7936), (2976, 7016), (3508, 5952), (3968, 5262)]