20212780802

素因数分解:

$2^1\times {\mathrm{17}}^2\times {\mathrm{47}}^1\times {\mathrm{137}}^1\times {\mathrm{5431}}^1$

素因数の和:5651

約数の個数: 48

約数和(自身を含む): 33139024128

約数和(自身を除く): 12926243326

約数列:

[1, 2, 17, 34, 47, 94, 137, 274, 289, 578, 799, 1598, 2329, 4658, 5431, 6439, 10862, 12878, 13583, 27166, 39593, 79186, 92327, 109463, 184654, 218926, 255257, 510514, 744047, 1488094, 1569559, 1860871, 3139118, 3721742, 4339369, 8678738, 12648799, 25297598, 34970209, 69940418, 73769273, 147538546, 215029583, 430059166, 594493553, 1188987106, 10106390401, 20212780802]

約数ペア:

[(1, 20212780802), (2, 10106390401), (17, 1188987106), (34, 594493553), (47, 430059166), (94, 215029583), (137, 147538546), (274, 73769273), (289, 69940418), (578, 34970209), (799, 25297598), (1598, 12648799), (2329, 8678738), (4658, 4339369), (5431, 3721742), (6439, 3139118), (10862, 1860871), (12878, 1569559), (13583, 1488094), (27166, 744047), (39593, 510514), (79186, 255257), (92327, 218926), (109463, 184654)]