20048847

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{103}}^1$

素因数の和:180

約数の個数: 64

約数和(自身を含む): 35782656

約数和(自身を除く): 15733809

約数列:

[1, 3, 7, 13, 21, 23, 31, 39, 69, 91, 93, 103, 161, 217, 273, 299, 309, 403, 483, 651, 713, 721, 897, 1209, 1339, 2093, 2139, 2163, 2369, 2821, 3193, 4017, 4991, 6279, 7107, 8463, 9269, 9373, 9579, 14973, 16583, 22351, 27807, 28119, 30797, 41509, 49749, 64883, 67053, 73439, 92391, 124527, 194649, 215579, 220317, 290563, 514073, 646737, 871689, 954707, 1542219, 2864121, 6682949, 20048847]

約数ペア:

[(1, 20048847), (3, 6682949), (7, 2864121), (13, 1542219), (21, 954707), (23, 871689), (31, 646737), (39, 514073), (69, 290563), (91, 220317), (93, 215579), (103, 194649), (161, 124527), (217, 92391), (273, 73439), (299, 67053), (309, 64883), (403, 49749), (483, 41509), (651, 30797), (713, 28119), (721, 27807), (897, 22351), (1209, 16583), (1339, 14973), (2093, 9579), (2139, 9373), (2163, 9269), (2369, 8463), (2821, 7107), (3193, 6279), (4017, 4991)]