20104084

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{5021}}^1$

素因数の和:5056

約数の個数: 48

約数和(自身を含む): 47246976

約数和(自身を除く): 27142892

約数列:

[1, 2, 4, 7, 11, 13, 14, 22, 26, 28, 44, 52, 77, 91, 143, 154, 182, 286, 308, 364, 572, 1001, 2002, 4004, 5021, 10042, 20084, 35147, 55231, 65273, 70294, 110462, 130546, 140588, 220924, 261092, 386617, 456911, 718003, 773234, 913822, 1436006, 1546468, 1827644, 2872012, 5026021, 10052042, 20104084]

約数ペア:

[(1, 20104084), (2, 10052042), (4, 5026021), (7, 2872012), (11, 1827644), (13, 1546468), (14, 1436006), (22, 913822), (26, 773234), (28, 718003), (44, 456911), (52, 386617), (77, 261092), (91, 220924), (143, 140588), (154, 130546), (182, 110462), (286, 70294), (308, 65273), (364, 55231), (572, 35147), (1001, 20084), (2002, 10042), (4004, 5021)]