20568678

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{13879}}^1$

素因数の和:13916

約数の個数: 32

約数和(自身を含む): 46636800

約数和(自身を除く): 26068122

約数列:

[1, 2, 3, 6, 13, 19, 26, 38, 39, 57, 78, 114, 247, 494, 741, 1482, 13879, 27758, 41637, 83274, 180427, 263701, 360854, 527402, 541281, 791103, 1082562, 1582206, 3428113, 6856226, 10284339, 20568678]

約数ペア:

[(1, 20568678), (2, 10284339), (3, 6856226), (6, 3428113), (13, 1582206), (19, 1082562), (26, 791103), (38, 541281), (39, 527402), (57, 360854), (78, 263701), (114, 180427), (247, 83274), (494, 41637), (741, 27758), (1482, 13879)]