20884084

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{269}}^1\times {\mathrm{1493}}^1$

素因数の和:1779

約数の個数: 24

約数和(自身を含む): 39531240

約数和(自身を除く): 18647156

約数列:

[1, 2, 4, 13, 26, 52, 269, 538, 1076, 1493, 2986, 3497, 5972, 6994, 13988, 19409, 38818, 77636, 401617, 803234, 1606468, 5221021, 10442042, 20884084]

約数ペア:

[(1, 20884084), (2, 10442042), (4, 5221021), (13, 1606468), (26, 803234), (52, 401617), (269, 77636), (538, 38818), (1076, 19409), (1493, 13988), (2986, 6994), (3497, 5972)]