20974908

素因数分解:

$2^2\times 3^1\times {\mathrm{821}}^1\times {\mathrm{2129}}^1$

素因数の和:2957

約数の個数: 24

約数和(自身を含む): 49024080

約数和(自身を除く): 28049172

約数列:

[1, 2, 3, 4, 6, 12, 821, 1642, 2129, 2463, 3284, 4258, 4926, 6387, 8516, 9852, 12774, 25548, 1747909, 3495818, 5243727, 6991636, 10487454, 20974908]

約数ペア:

[(1, 20974908), (2, 10487454), (3, 6991636), (4, 5243727), (6, 3495818), (12, 1747909), (821, 25548), (1642, 12774), (2129, 9852), (2463, 8516), (3284, 6387), (4258, 4926)]