20761167

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{853}}^1$

素因数の和:943

約数の個数: 32

約数和(自身を含む): 33886720

約数和(自身を除く): 13125553

約数列:

[1, 3, 7, 19, 21, 57, 61, 133, 183, 399, 427, 853, 1159, 1281, 2559, 3477, 5971, 8113, 16207, 17913, 24339, 48621, 52033, 113449, 156099, 340347, 364231, 988627, 1092693, 2965881, 6920389, 20761167]

約数ペア:

[(1, 20761167), (3, 6920389), (7, 2965881), (19, 1092693), (21, 988627), (57, 364231), (61, 340347), (133, 156099), (183, 113449), (399, 52033), (427, 48621), (853, 24339), (1159, 17913), (1281, 16207), (2559, 8113), (3477, 5971)]