20694401

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{11969}}^1$

素因数の和:12008

約数の個数: 16

約数和(自身を含む): 26812800

約数和(自身を除く): 6118399

約数列:

[1, 7, 13, 19, 91, 133, 247, 1729, 11969, 83783, 155597, 227411, 1089179, 1591877, 2956343, 20694401]

約数ペア:

[(1, 20694401), (7, 2956343), (13, 1591877), (19, 1089179), (91, 227411), (133, 155597), (247, 83783), (1729, 11969)]