20177500928

素因数分解:

$2^8\times {\mathrm{13}}^1\times {\mathrm{1559}}^1\times {\mathrm{3889}}^1$

素因数の和:5477

約数の個数: 72

約数和(自身を含む): 43413333600

約数和(自身を除く): 23235832672

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 128, 208, 256, 416, 832, 1559, 1664, 3118, 3328, 3889, 6236, 7778, 12472, 15556, 20267, 24944, 31112, 40534, 49888, 50557, 62224, 81068, 99776, 101114, 124448, 162136, 199552, 202228, 248896, 324272, 399104, 404456, 497792, 648544, 808912, 995584, 1297088, 1617824, 2594176, 3235648, 5188352, 6062951, 6471296, 12125902, 12942592, 24251804, 48503608, 78818363, 97007216, 157636726, 194014432, 315273452, 388028864, 630546904, 776057728, 1261093808, 1552115456, 2522187616, 5044375232, 10088750464, 20177500928]

約数ペア:

[(1, 20177500928), (2, 10088750464), (4, 5044375232), (8, 2522187616), (13, 1552115456), (16, 1261093808), (26, 776057728), (32, 630546904), (52, 388028864), (64, 315273452), (104, 194014432), (128, 157636726), (208, 97007216), (256, 78818363), (416, 48503608), (832, 24251804), (1559, 12942592), (1664, 12125902), (3118, 6471296), (3328, 6062951), (3889, 5188352), (6236, 3235648), (7778, 2594176), (12472, 1617824), (15556, 1297088), (20267, 995584), (24944, 808912), (31112, 648544), (40534, 497792), (49888, 404456), (50557, 399104), (62224, 324272), (81068, 248896), (99776, 202228), (101114, 199552), (124448, 162136)]