20029581

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{197}}^1$

素因数の和:306

約数の個数: 48

約数和(自身を含む): 34594560

約数和(自身を除く): 14564979

約数列:

[1, 3, 9, 11, 13, 33, 39, 79, 99, 117, 143, 197, 237, 429, 591, 711, 869, 1027, 1287, 1773, 2167, 2561, 2607, 3081, 6501, 7683, 7821, 9243, 11297, 15563, 19503, 23049, 28171, 33891, 46689, 84513, 101673, 140067, 171193, 202319, 253539, 513579, 606957, 1540737, 1820871, 2225509, 6676527, 20029581]

約数ペア:

[(1, 20029581), (3, 6676527), (9, 2225509), (11, 1820871), (13, 1540737), (33, 606957), (39, 513579), (79, 253539), (99, 202319), (117, 171193), (143, 140067), (197, 101673), (237, 84513), (429, 46689), (591, 33891), (711, 28171), (869, 23049), (1027, 19503), (1287, 15563), (1773, 11297), (2167, 9243), (2561, 7821), (2607, 7683), (3081, 6501)]