20797426

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{211}}^1\times {\mathrm{223}}^1$

素因数の和:466

約数の個数: 32

約数和(自身を含む): 35900928

約数和(自身を除く): 15103502

約数列:

[1, 2, 13, 17, 26, 34, 211, 221, 223, 422, 442, 446, 2743, 2899, 3587, 3791, 5486, 5798, 7174, 7582, 46631, 47053, 49283, 93262, 94106, 98566, 611689, 799901, 1223378, 1599802, 10398713, 20797426]

約数ペア:

[(1, 20797426), (2, 10398713), (13, 1599802), (17, 1223378), (26, 799901), (34, 611689), (211, 98566), (221, 94106), (223, 93262), (422, 49283), (442, 47053), (446, 46631), (2743, 7582), (2899, 7174), (3587, 5798), (3791, 5486)]