20512057185

素因数分解:

$3^2\times 5^1\times {\mathrm{317}}^1\times {\mathrm{967}}^1\times {\mathrm{1487}}^1$

素因数の和:2782

約数の個数: 48

約数和(自身を含む): 35727284736

約数和(自身を除く): 15215227551

約数列:

[1, 3, 5, 9, 15, 45, 317, 951, 967, 1487, 1585, 2853, 2901, 4461, 4755, 4835, 7435, 8703, 13383, 14265, 14505, 22305, 43515, 66915, 306539, 471379, 919617, 1414137, 1437929, 1532695, 2356895, 2758851, 4242411, 4313787, 4598085, 7070685, 7189645, 12941361, 13794255, 21212055, 21568935, 64706805, 455823493, 1367470479, 2279117465, 4102411437, 6837352395, 20512057185]

約数ペア:

[(1, 20512057185), (3, 6837352395), (5, 4102411437), (9, 2279117465), (15, 1367470479), (45, 455823493), (317, 64706805), (951, 21568935), (967, 21212055), (1487, 13794255), (1585, 12941361), (2853, 7189645), (2901, 7070685), (4461, 4598085), (4755, 4313787), (4835, 4242411), (7435, 2758851), (8703, 2356895), (13383, 1532695), (14265, 1437929), (14505, 1414137), (22305, 919617), (43515, 471379), (66915, 306539)]