20994994

素因数分解:

$2^1\times {\mathrm{47}}^1\times {\mathrm{149}}^1\times {\mathrm{1499}}^1$

素因数の和:1697

約数の個数: 16

約数和(自身を含む): 32400000

約数和(自身を除く): 11405006

約数列:

[1, 2, 47, 94, 149, 298, 1499, 2998, 7003, 14006, 70453, 140906, 223351, 446702, 10497497, 20994994]

約数ペア:

[(1, 20994994), (2, 10497497), (47, 446702), (94, 223351), (149, 140906), (298, 70453), (1499, 14006), (2998, 7003)]