20205987

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{107}}^1\times {\mathrm{3313}}^1$

素因数の和:3442

約数の個数: 16

約数和(自身を含む): 28632960

約数和(自身を除く): 8426973

約数列:

[1, 3, 19, 57, 107, 321, 2033, 3313, 6099, 9939, 62947, 188841, 354491, 1063473, 6735329, 20205987]

約数ペア:

[(1, 20205987), (3, 6735329), (19, 1063473), (57, 354491), (107, 188841), (321, 62947), (2033, 9939), (3313, 6099)]