20937152

素因数分解:

$2^6\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{173}}^1$

素因数の和:277

約数の個数: 56

約数和(自身を含む): 43842432

約数和(自身を除く): 22905280

約数列:

[1, 2, 4, 8, 16, 31, 32, 61, 62, 64, 122, 124, 173, 244, 248, 346, 488, 496, 692, 976, 992, 1384, 1891, 1952, 1984, 2768, 3782, 3904, 5363, 5536, 7564, 10553, 10726, 11072, 15128, 21106, 21452, 30256, 42212, 42904, 60512, 84424, 85808, 121024, 168848, 171616, 327143, 337696, 343232, 654286, 675392, 1308572, 2617144, 5234288, 10468576, 20937152]

約数ペア:

[(1, 20937152), (2, 10468576), (4, 5234288), (8, 2617144), (16, 1308572), (31, 675392), (32, 654286), (61, 343232), (62, 337696), (64, 327143), (122, 171616), (124, 168848), (173, 121024), (244, 85808), (248, 84424), (346, 60512), (488, 42904), (496, 42212), (692, 30256), (976, 21452), (992, 21106), (1384, 15128), (1891, 11072), (1952, 10726), (1984, 10553), (2768, 7564), (3782, 5536), (3904, 5363)]