20137436488

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{257}}^1\times {\mathrm{753421}}^1$

素因数の和:753697

約数の個数: 32

約数和(自身を含む): 40820403960

約数和(自身を除く): 20682967472

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 257, 514, 1028, 2056, 3341, 6682, 13364, 26728, 753421, 1506842, 3013684, 6027368, 9794473, 19588946, 39177892, 78355784, 193629197, 387258394, 774516788, 1549033576, 2517179561, 5034359122, 10068718244, 20137436488]

約数ペア:

[(1, 20137436488), (2, 10068718244), (4, 5034359122), (8, 2517179561), (13, 1549033576), (26, 774516788), (52, 387258394), (104, 193629197), (257, 78355784), (514, 39177892), (1028, 19588946), (2056, 9794473), (3341, 6027368), (6682, 3013684), (13364, 1506842), (26728, 753421)]