20124412

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{223}}^1\times {\mathrm{293}}^1$

素因数の和:538

約数の個数: 48

約数和(自身を含む): 44255232

約数和(自身を除く): 24130820

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 154, 223, 293, 308, 446, 586, 892, 1172, 1561, 2051, 2453, 3122, 3223, 4102, 4906, 6244, 6446, 8204, 9812, 12892, 17171, 22561, 34342, 45122, 65339, 68684, 90244, 130678, 261356, 457373, 718729, 914746, 1437458, 1829492, 2874916, 5031103, 10062206, 20124412]

約数ペア:

[(1, 20124412), (2, 10062206), (4, 5031103), (7, 2874916), (11, 1829492), (14, 1437458), (22, 914746), (28, 718729), (44, 457373), (77, 261356), (154, 130678), (223, 90244), (293, 68684), (308, 65339), (446, 45122), (586, 34342), (892, 22561), (1172, 17171), (1561, 12892), (2051, 9812), (2453, 8204), (3122, 6446), (3223, 6244), (4102, 4906)]