20497998

素因数分解:

$2^1\times 3^1\times {\mathrm{19}}^1\times {\mathrm{179807}}^1$

素因数の和:179831

約数の個数: 16

約数和(自身を含む): 43153920

約数和(自身を除く): 22655922

約数列:

[1, 2, 3, 6, 19, 38, 57, 114, 179807, 359614, 539421, 1078842, 3416333, 6832666, 10248999, 20497998]

約数ペア:

[(1, 20497998), (2, 10248999), (3, 6832666), (6, 3416333), (19, 1078842), (38, 539421), (57, 359614), (114, 179807)]