20480746

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{3769}}^1$

素因数の和:3814

約数の個数: 32

約数和(自身を含む): 38001600

約数和(自身を除く): 17520854

約数列:

[1, 2, 11, 13, 19, 22, 26, 38, 143, 209, 247, 286, 418, 494, 2717, 3769, 5434, 7538, 41459, 48997, 71611, 82918, 97994, 143222, 538967, 787721, 930943, 1077934, 1575442, 1861886, 10240373, 20480746]

約数ペア:

[(1, 20480746), (2, 10240373), (11, 1861886), (13, 1575442), (19, 1077934), (22, 930943), (26, 787721), (38, 538967), (143, 143222), (209, 97994), (247, 82918), (286, 71611), (418, 48997), (494, 41459), (2717, 7538), (3769, 5434)]