20730367

素因数分解:

$7^1\times {\mathrm{53}}^1\times {\mathrm{71}}^1\times {\mathrm{787}}^1$

素因数の和:918

約数の個数: 16

約数和(自身を含む): 24509952

約数和(自身を除く): 3779585

約数列:

[1, 7, 53, 71, 371, 497, 787, 3763, 5509, 26341, 41711, 55877, 291977, 391139, 2961481, 20730367]

約数ペア:

[(1, 20730367), (7, 2961481), (53, 391139), (71, 291977), (371, 55877), (497, 41711), (787, 26341), (3763, 5509)]