20698143

素因数分解:

$3^1\times {\mathrm{53}}^1\times {\mathrm{349}}^1\times {\mathrm{373}}^1$

素因数の和:778

約数の個数: 16

約数和(自身を含む): 28274400

約数和(自身を除く): 7576257

約数列:

[1, 3, 53, 159, 349, 373, 1047, 1119, 18497, 19769, 55491, 59307, 130177, 390531, 6899381, 20698143]

約数ペア:

[(1, 20698143), (3, 6899381), (53, 390531), (159, 130177), (349, 59307), (373, 55491), (1047, 19769), (1119, 18497)]