20451072

素因数分解:

$2^8\times 3^1\times {\mathrm{31}}^1\times {\mathrm{859}}^1$

素因数の和:909

約数の個数: 72

約数和(自身を含む): 56250880

約数和(自身を除く): 35799808

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, 859, 992, 1488, 1718, 1984, 2577, 2976, 3436, 3968, 5154, 5952, 6872, 7936, 10308, 11904, 13744, 20616, 23808, 26629, 27488, 41232, 53258, 54976, 79887, 82464, 106516, 109952, 159774, 164928, 213032, 219904, 319548, 329856, 426064, 639096, 659712, 852128, 1278192, 1704256, 2556384, 3408512, 5112768, 6817024, 10225536, 20451072]

約数ペア:

[(1, 20451072), (2, 10225536), (3, 6817024), (4, 5112768), (6, 3408512), (8, 2556384), (12, 1704256), (16, 1278192), (24, 852128), (31, 659712), (32, 639096), (48, 426064), (62, 329856), (64, 319548), (93, 219904), (96, 213032), (124, 164928), (128, 159774), (186, 109952), (192, 106516), (248, 82464), (256, 79887), (372, 54976), (384, 53258), (496, 41232), (744, 27488), (768, 26629), (859, 23808), (992, 20616), (1488, 13744), (1718, 11904), (1984, 10308), (2577, 7936), (2976, 6872), (3436, 5952), (3968, 5154)]