20454896

素因数分解:

$2^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{16603}}^1$

素因数の和:16629

約数の個数: 40

約数和(自身を含む): 49413504

約数和(自身を除く): 28958608

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 44, 56, 77, 88, 112, 154, 176, 308, 616, 1232, 16603, 33206, 66412, 116221, 132824, 182633, 232442, 265648, 365266, 464884, 730532, 929768, 1278431, 1461064, 1859536, 2556862, 2922128, 5113724, 10227448, 20454896]

約数ペア:

[(1, 20454896), (2, 10227448), (4, 5113724), (7, 2922128), (8, 2556862), (11, 1859536), (14, 1461064), (16, 1278431), (22, 929768), (28, 730532), (44, 464884), (56, 365266), (77, 265648), (88, 232442), (112, 182633), (154, 132824), (176, 116221), (308, 66412), (616, 33206), (1232, 16603)]