20544139

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{7211}}^1$

素因数の和:7266

約数の個数: 16

約数和(自身を含む): 26309376

約数和(自身を除く): 5765237

約数列:

[1, 7, 11, 37, 77, 259, 407, 2849, 7211, 50477, 79321, 266807, 555247, 1867649, 2934877, 20544139]

約数ペア:

[(1, 20544139), (7, 2934877), (11, 1867649), (37, 555247), (77, 266807), (259, 79321), (407, 50477), (2849, 7211)]