20996638

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{27847}}^1$

素因数の和:27891

約数の個数: 16

約数和(自身を含む): 35088480

約数和(自身を除く): 14091842

約数列:

[1, 2, 13, 26, 29, 58, 377, 754, 27847, 55694, 362011, 724022, 807563, 1615126, 10498319, 20996638]

約数ペア:

[(1, 20996638), (2, 10498319), (13, 1615126), (26, 807563), (29, 724022), (58, 362011), (377, 55694), (754, 27847)]