20456988

素因数分解:

$2^2\times 3^1\times {\mathrm{719}}^1\times {\mathrm{2371}}^1$

素因数の和:3097

約数の個数: 24

約数和(自身を含む): 47819520

約数和(自身を除く): 27362532

約数列:

[1, 2, 3, 4, 6, 12, 719, 1438, 2157, 2371, 2876, 4314, 4742, 7113, 8628, 9484, 14226, 28452, 1704749, 3409498, 5114247, 6818996, 10228494, 20456988]

約数ペア:

[(1, 20456988), (2, 10228494), (3, 6818996), (4, 5114247), (6, 3409498), (12, 1704749), (719, 28452), (1438, 14226), (2157, 9484), (2371, 8628), (2876, 7113), (4314, 4742)]