20477314

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{283}}^1$

素因数の和:343

約数の個数: 48

約数和(自身を含む): 38074176

約数和(自身を除く): 17596862

約数列:

[1, 2, 11, 13, 22, 23, 26, 46, 121, 143, 242, 253, 283, 286, 299, 506, 566, 598, 1573, 2783, 3113, 3146, 3289, 3679, 5566, 6226, 6509, 6578, 7358, 13018, 34243, 36179, 40469, 68486, 71599, 72358, 80938, 84617, 143198, 169234, 445159, 787589, 890318, 930787, 1575178, 1861574, 10238657, 20477314]

約数ペア:

[(1, 20477314), (2, 10238657), (11, 1861574), (13, 1575178), (22, 930787), (23, 890318), (26, 787589), (46, 445159), (121, 169234), (143, 143198), (242, 84617), (253, 80938), (283, 72358), (286, 71599), (299, 68486), (506, 40469), (566, 36179), (598, 34243), (1573, 13018), (2783, 7358), (3113, 6578), (3146, 6509), (3289, 6226), (3679, 5566)]