20620736

素因数分解:

$2^6\times {\mathrm{43}}^1\times {\mathrm{59}}^1\times {\mathrm{127}}^1$

素因数の和:241

約数の個数: 56

約数和(自身を含む): 42915840

約数和(自身を除く): 22295104

約数列:

[1, 2, 4, 8, 16, 32, 43, 59, 64, 86, 118, 127, 172, 236, 254, 344, 472, 508, 688, 944, 1016, 1376, 1888, 2032, 2537, 2752, 3776, 4064, 5074, 5461, 7493, 8128, 10148, 10922, 14986, 20296, 21844, 29972, 40592, 43688, 59944, 81184, 87376, 119888, 162368, 174752, 239776, 322199, 349504, 479552, 644398, 1288796, 2577592, 5155184, 10310368, 20620736]

約数ペア:

[(1, 20620736), (2, 10310368), (4, 5155184), (8, 2577592), (16, 1288796), (32, 644398), (43, 479552), (59, 349504), (64, 322199), (86, 239776), (118, 174752), (127, 162368), (172, 119888), (236, 87376), (254, 81184), (344, 59944), (472, 43688), (508, 40592), (688, 29972), (944, 21844), (1016, 20296), (1376, 14986), (1888, 10922), (2032, 10148), (2537, 8128), (2752, 7493), (3776, 5461), (4064, 5074)]