20137786

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{379}}^1\times {\mathrm{857}}^1$

素因数の和:1269

約数の個数: 16

約数和(自身を含む): 31299840

約数和(自身を除く): 11162054

約数列:

[1, 2, 31, 62, 379, 758, 857, 1714, 11749, 23498, 26567, 53134, 324803, 649606, 10068893, 20137786]

約数ペア:

[(1, 20137786), (2, 10068893), (31, 649606), (62, 324803), (379, 53134), (758, 26567), (857, 23498), (1714, 11749)]