20680812

素因数分解:

$2^2\times 3^3\times {\mathrm{53}}^1\times {\mathrm{3613}}^1$

素因数の和:3679

約数の個数: 48

約数和(自身を含む): 54643680

約数和(自身を除く): 33962868

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 53, 54, 106, 108, 159, 212, 318, 477, 636, 954, 1431, 1908, 2862, 3613, 5724, 7226, 10839, 14452, 21678, 32517, 43356, 65034, 97551, 130068, 191489, 195102, 382978, 390204, 574467, 765956, 1148934, 1723401, 2297868, 3446802, 5170203, 6893604, 10340406, 20680812]

約数ペア:

[(1, 20680812), (2, 10340406), (3, 6893604), (4, 5170203), (6, 3446802), (9, 2297868), (12, 1723401), (18, 1148934), (27, 765956), (36, 574467), (53, 390204), (54, 382978), (106, 195102), (108, 191489), (159, 130068), (212, 97551), (318, 65034), (477, 43356), (636, 32517), (954, 21678), (1431, 14452), (1908, 10839), (2862, 7226), (3613, 5724)]