20207784

素因数分解:

$2^3\times 3^1\times {\mathrm{31}}^1\times {\mathrm{157}}^1\times {\mathrm{173}}^1$

素因数の和:370

約数の個数: 64

約数和(自身を含む): 52784640

約数和(自身を除く): 32576856

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 31, 62, 93, 124, 157, 173, 186, 248, 314, 346, 372, 471, 519, 628, 692, 744, 942, 1038, 1256, 1384, 1884, 2076, 3768, 4152, 4867, 5363, 9734, 10726, 14601, 16089, 19468, 21452, 27161, 29202, 32178, 38936, 42904, 54322, 58404, 64356, 81483, 108644, 116808, 128712, 162966, 217288, 325932, 651864, 841991, 1683982, 2525973, 3367964, 5051946, 6735928, 10103892, 20207784]

約数ペア:

[(1, 20207784), (2, 10103892), (3, 6735928), (4, 5051946), (6, 3367964), (8, 2525973), (12, 1683982), (24, 841991), (31, 651864), (62, 325932), (93, 217288), (124, 162966), (157, 128712), (173, 116808), (186, 108644), (248, 81483), (314, 64356), (346, 58404), (372, 54322), (471, 42904), (519, 38936), (628, 32178), (692, 29202), (744, 27161), (942, 21452), (1038, 19468), (1256, 16089), (1384, 14601), (1884, 10726), (2076, 9734), (3768, 5363), (4152, 4867)]