20525793

素因数分解:

$3^1\times {\mathrm{47}}^1\times {\mathrm{149}}^1\times {\mathrm{977}}^1$

素因数の和:1176

約数の個数: 16

約数和(自身を含む): 28166400

約数和(自身を除く): 7640607

約数列:

[1, 3, 47, 141, 149, 447, 977, 2931, 7003, 21009, 45919, 137757, 145573, 436719, 6841931, 20525793]

約数ペア:

[(1, 20525793), (3, 6841931), (47, 436719), (141, 145573), (149, 137757), (447, 45919), (977, 21009), (2931, 7003)]