20157543

素因数分解:

$3^2\times 7^1\times {\mathrm{53}}^1\times {\mathrm{6037}}^1$

素因数の和:6103

約数の個数: 24

約数和(自身を含む): 33909408

約数和(自身を除く): 13751865

約数列:

[1, 3, 7, 9, 21, 53, 63, 159, 371, 477, 1113, 3339, 6037, 18111, 42259, 54333, 126777, 319961, 380331, 959883, 2239727, 2879649, 6719181, 20157543]

約数ペア:

[(1, 20157543), (3, 6719181), (7, 2879649), (9, 2239727), (21, 959883), (53, 380331), (63, 319961), (159, 126777), (371, 54333), (477, 42259), (1113, 18111), (3339, 6037)]