20218557039

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{107}}^1\times {\mathrm{46691}}^1$

素因数の和:46891

約数の個数: 32

約数和(自身を含む): 29046159360

約数和(自身を除く): 8827602321

約数列:

[1, 3, 19, 57, 71, 107, 213, 321, 1349, 2033, 4047, 6099, 7597, 22791, 46691, 140073, 144343, 433029, 887129, 2661387, 3315061, 4995937, 9945183, 14987811, 62986159, 94922803, 188958477, 284768409, 354711527, 1064134581, 6739519013, 20218557039]

約数ペア:

[(1, 20218557039), (3, 6739519013), (19, 1064134581), (57, 354711527), (71, 284768409), (107, 188958477), (213, 94922803), (321, 62986159), (1349, 14987811), (2033, 9945183), (4047, 4995937), (6099, 3315061), (7597, 2661387), (22791, 887129), (46691, 433029), (140073, 144343)]