20166440994

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{257}}^1\times {\mathrm{207589}}^1$

素因数の和:207864

約数の個数: 64

約数和(自身を含む): 51415891200

約数和(自身を除く): 31249450206

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 126, 189, 257, 378, 514, 771, 1542, 1799, 2313, 3598, 4626, 5397, 6939, 10794, 13878, 16191, 32382, 48573, 97146, 207589, 415178, 622767, 1245534, 1453123, 1868301, 2906246, 3736602, 4359369, 5604903, 8718738, 11209806, 13078107, 26156214, 39234321, 53350373, 78468642, 106700746, 160051119, 320102238, 373452611, 480153357, 746905222, 960306714, 1120357833, 1440460071, 2240715666, 2880920142, 3361073499, 6722146998, 10083220497, 20166440994]

約数ペア:

[(1, 20166440994), (2, 10083220497), (3, 6722146998), (6, 3361073499), (7, 2880920142), (9, 2240715666), (14, 1440460071), (18, 1120357833), (21, 960306714), (27, 746905222), (42, 480153357), (54, 373452611), (63, 320102238), (126, 160051119), (189, 106700746), (257, 78468642), (378, 53350373), (514, 39234321), (771, 26156214), (1542, 13078107), (1799, 11209806), (2313, 8718738), (3598, 5604903), (4626, 4359369), (5397, 3736602), (6939, 2906246), (10794, 1868301), (13878, 1453123), (16191, 1245534), (32382, 622767), (48573, 415178), (97146, 207589)]