20706371

素因数分解:

$7^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{967}}^1$

素因数の和:1023

約数の個数: 24

約数和(自身を含む): 26484480

約数和(自身を除く): 5778109

約数列:

[1, 7, 19, 23, 49, 133, 161, 437, 931, 967, 1127, 3059, 6769, 18373, 21413, 22241, 47383, 128611, 155687, 422579, 900277, 1089809, 2958053, 20706371]

約数ペア:

[(1, 20706371), (7, 2958053), (19, 1089809), (23, 900277), (49, 422579), (133, 155687), (161, 128611), (437, 47383), (931, 22241), (967, 21413), (1127, 18373), (3059, 6769)]