20641166

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{4931}}^1$

素因数の和:4976

約数の個数: 32

約数和(自身を含む): 39771648

約数和(自身を除く): 19130482

約数列:

[1, 2, 7, 13, 14, 23, 26, 46, 91, 161, 182, 299, 322, 598, 2093, 4186, 4931, 9862, 34517, 64103, 69034, 113413, 128206, 226826, 448721, 793891, 897442, 1474369, 1587782, 2948738, 10320583, 20641166]

約数ペア:

[(1, 20641166), (2, 10320583), (7, 2948738), (13, 1587782), (14, 1474369), (23, 897442), (26, 793891), (46, 448721), (91, 226826), (161, 128206), (182, 113413), (299, 69034), (322, 64103), (598, 34517), (2093, 9862), (4186, 4931)]