20764317

素因数分解:

$3^1\times 7^1\times {\mathrm{631}}^1\times {\mathrm{1567}}^1$

素因数の和:2208

約数の個数: 16

約数和(自身を含む): 31711232

約数和(自身を除く): 10946915

約数列:

[1, 3, 7, 21, 631, 1567, 1893, 4417, 4701, 10969, 13251, 32907, 988777, 2966331, 6921439, 20764317]

約数ペア:

[(1, 20764317), (3, 6921439), (7, 2966331), (21, 988777), (631, 32907), (1567, 13251), (1893, 10969), (4417, 4701)]