20890818

素因数分解:

$2^1\times 3^3\times {\mathrm{13}}^1\times {\mathrm{29759}}^1$

素因数の和:29783

約数の個数: 32

約数和(自身を含む): 49996800

約数和(自身を除く): 29105982

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 27, 39, 54, 78, 117, 234, 351, 702, 29759, 59518, 89277, 178554, 267831, 386867, 535662, 773734, 803493, 1160601, 1606986, 2321202, 3481803, 6963606, 10445409, 20890818]

約数ペア:

[(1, 20890818), (2, 10445409), (3, 6963606), (6, 3481803), (9, 2321202), (13, 1606986), (18, 1160601), (26, 803493), (27, 773734), (39, 535662), (54, 386867), (78, 267831), (117, 178554), (234, 89277), (351, 59518), (702, 29759)]