20617716

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{2383}}^1$

素因数の和:2500

約数の個数: 48

約数和(自身を含む): 55537664

約数和(自身を除く): 34919948

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 103, 206, 309, 412, 618, 721, 1236, 1442, 2163, 2383, 2884, 4326, 4766, 7149, 8652, 9532, 14298, 16681, 28596, 33362, 50043, 66724, 100086, 200172, 245449, 490898, 736347, 981796, 1472694, 1718143, 2945388, 3436286, 5154429, 6872572, 10308858, 20617716]

約数ペア:

[(1, 20617716), (2, 10308858), (3, 6872572), (4, 5154429), (6, 3436286), (7, 2945388), (12, 1718143), (14, 1472694), (21, 981796), (28, 736347), (42, 490898), (84, 245449), (103, 200172), (206, 100086), (309, 66724), (412, 50043), (618, 33362), (721, 28596), (1236, 16681), (1442, 14298), (2163, 9532), (2383, 8652), (2884, 7149), (4326, 4766)]