20056001805

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{521}}^1\times {\mathrm{122207}}^1$

素因数の和:122746

約数の個数: 48

約数和(自身を含む): 39806567424

約数和(自身を除く): 19750565619

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 315, 521, 1563, 2605, 3647, 4689, 7815, 10941, 18235, 23445, 32823, 54705, 122207, 164115, 366621, 611035, 855449, 1099863, 1833105, 2566347, 4277245, 5499315, 7699041, 12831735, 38495205, 63669847, 191009541, 318349235, 445688929, 573028623, 955047705, 1337066787, 2228444645, 2865143115, 4011200361, 6685333935, 20056001805]

約数ペア:

[(1, 20056001805), (3, 6685333935), (5, 4011200361), (7, 2865143115), (9, 2228444645), (15, 1337066787), (21, 955047705), (35, 573028623), (45, 445688929), (63, 318349235), (105, 191009541), (315, 63669847), (521, 38495205), (1563, 12831735), (2605, 7699041), (3647, 5499315), (4689, 4277245), (7815, 2566347), (10941, 1833105), (18235, 1099863), (23445, 855449), (32823, 611035), (54705, 366621), (122207, 164115)]