20341191

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{283}}^1$

素因数の和:415

約数の個数: 32

約数和(自身を含む): 31171840

約数和(自身を除く): 10830649

約数列:

[1, 3, 13, 19, 39, 57, 97, 247, 283, 291, 741, 849, 1261, 1843, 3679, 3783, 5377, 5529, 11037, 16131, 23959, 27451, 69901, 71877, 82353, 209703, 356863, 521569, 1070589, 1564707, 6780397, 20341191]

約数ペア:

[(1, 20341191), (3, 6780397), (13, 1564707), (19, 1070589), (39, 521569), (57, 356863), (97, 209703), (247, 82353), (283, 71877), (291, 69901), (741, 27451), (849, 23959), (1261, 16131), (1843, 11037), (3679, 5529), (3783, 5377)]