20512991610

素因数分解:

$2^1\times 3^4\times 5^1\times {\mathrm{47}}^1\times {\mathrm{538823}}^1$

素因数の和:538889

約数の個数: 80

約数和(自身を含む): 56330816256

約数和(自身を除く): 35817824646

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 47, 54, 81, 90, 94, 135, 141, 162, 235, 270, 282, 405, 423, 470, 705, 810, 846, 1269, 1410, 2115, 2538, 3807, 4230, 6345, 7614, 12690, 19035, 38070, 538823, 1077646, 1616469, 2694115, 3232938, 4849407, 5388230, 8082345, 9698814, 14548221, 16164690, 24247035, 25324681, 29096442, 43644663, 48494070, 50649362, 72741105, 75974043, 87289326, 126623405, 145482210, 151948086, 218223315, 227922129, 253246810, 379870215, 436446630, 455844258, 683766387, 759740430, 1139610645, 1367532774, 2051299161, 2279221290, 3418831935, 4102598322, 6837663870, 10256495805, 20512991610]

約数ペア:

[(1, 20512991610), (2, 10256495805), (3, 6837663870), (5, 4102598322), (6, 3418831935), (9, 2279221290), (10, 2051299161), (15, 1367532774), (18, 1139610645), (27, 759740430), (30, 683766387), (45, 455844258), (47, 436446630), (54, 379870215), (81, 253246810), (90, 227922129), (94, 218223315), (135, 151948086), (141, 145482210), (162, 126623405), (235, 87289326), (270, 75974043), (282, 72741105), (405, 50649362), (423, 48494070), (470, 43644663), (705, 29096442), (810, 25324681), (846, 24247035), (1269, 16164690), (1410, 14548221), (2115, 9698814), (2538, 8082345), (3807, 5388230), (4230, 4849407), (6345, 3232938), (7614, 2694115), (12690, 1616469), (19035, 1077646), (38070, 538823)]