20694641

素因数分解:

${\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{157}}^1\times {\mathrm{521}}^1$

素因数の和:712

約数の個数: 16

約数和(自身を含む): 23753088

約数和(自身を除く): 3058447

約数列:

[1, 11, 23, 157, 253, 521, 1727, 3611, 5731, 11983, 39721, 81797, 131813, 899767, 1881331, 20694641]

約数ペア:

[(1, 20694641), (11, 1881331), (23, 899767), (157, 131813), (253, 81797), (521, 39721), (1727, 11983), (3611, 5731)]