20354663

素因数分解:

$7^1\times {\mathrm{61}}^1\times {\mathrm{73}}^1\times {\mathrm{653}}^1$

素因数の和:794

約数の個数: 16

約数和(自身を含む): 24004416

約数和(自身を除く): 3649753

約数列:

[1, 7, 61, 73, 427, 511, 653, 4453, 4571, 31171, 39833, 47669, 278831, 333683, 2907809, 20354663]

約数ペア:

[(1, 20354663), (7, 2907809), (61, 333683), (73, 278831), (427, 47669), (511, 39833), (653, 31171), (4453, 4571)]