20492043

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{1291}}^1$

素因数の和:1355

約数の個数: 32

約数和(自身を含む): 32992512

約数和(自身を除く): 12500469

約数列:

[1, 3, 11, 13, 33, 37, 39, 111, 143, 407, 429, 481, 1221, 1291, 1443, 3873, 5291, 14201, 15873, 16783, 42603, 47767, 50349, 143301, 184613, 525437, 553839, 620971, 1576311, 1862913, 6830681, 20492043]

約数ペア:

[(1, 20492043), (3, 6830681), (11, 1862913), (13, 1576311), (33, 620971), (37, 553839), (39, 525437), (111, 184613), (143, 143301), (407, 50349), (429, 47767), (481, 42603), (1221, 16783), (1291, 15873), (1443, 14201), (3873, 5291)]