20347041

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{1103}}^1$

素因数の和:1173

約数の個数: 32

約数和(自身を含む): 32643072

約数和(自身を除く): 12296031

約数列:

[1, 3, 11, 13, 33, 39, 43, 129, 143, 429, 473, 559, 1103, 1419, 1677, 3309, 6149, 12133, 14339, 18447, 36399, 43017, 47429, 142287, 157729, 473187, 521719, 616577, 1565157, 1849731, 6782347, 20347041]

約数ペア:

[(1, 20347041), (3, 6782347), (11, 1849731), (13, 1565157), (33, 616577), (39, 521719), (43, 473187), (129, 157729), (143, 142287), (429, 47429), (473, 43017), (559, 36399), (1103, 18447), (1419, 14339), (1677, 12133), (3309, 6149)]