20770035

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{421}}^1$

素因数の和:476

約数の個数: 64

約数和(自身を含む): 40836096

約数和(自身を除く): 20066061

約数列:

[1, 3, 5, 11, 13, 15, 23, 33, 39, 55, 65, 69, 115, 143, 165, 195, 253, 299, 345, 421, 429, 715, 759, 897, 1263, 1265, 1495, 2105, 2145, 3289, 3795, 4485, 4631, 5473, 6315, 9683, 9867, 13893, 16419, 16445, 23155, 27365, 29049, 48415, 49335, 60203, 69465, 82095, 106513, 125879, 145245, 180609, 301015, 319539, 377637, 532565, 629395, 903045, 1384669, 1597695, 1888185, 4154007, 6923345, 20770035]

約数ペア:

[(1, 20770035), (3, 6923345), (5, 4154007), (11, 1888185), (13, 1597695), (15, 1384669), (23, 903045), (33, 629395), (39, 532565), (55, 377637), (65, 319539), (69, 301015), (115, 180609), (143, 145245), (165, 125879), (195, 106513), (253, 82095), (299, 69465), (345, 60203), (421, 49335), (429, 48415), (715, 29049), (759, 27365), (897, 23155), (1263, 16445), (1265, 16419), (1495, 13893), (2105, 9867), (2145, 9683), (3289, 6315), (3795, 5473), (4485, 4631)]