20162681

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{401}}^1\times {\mathrm{653}}^1$

素因数の和:1072

約数の個数: 16

約数和(自身を含む): 25239168

約数和(自身を除く): 5076487

約数列:

[1, 7, 11, 77, 401, 653, 2807, 4411, 4571, 7183, 30877, 50281, 261853, 1832971, 2880383, 20162681]

約数ペア:

[(1, 20162681), (7, 2880383), (11, 1832971), (77, 261853), (401, 50281), (653, 30877), (2807, 7183), (4411, 4571)]