20780718

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{26041}}^1$

素因数の和:26072

約数の個数: 32

約数和(自身を含む): 50000640

約数和(自身を除く): 29219922

約数列:

[1, 2, 3, 6, 7, 14, 19, 21, 38, 42, 57, 114, 133, 266, 399, 798, 26041, 52082, 78123, 156246, 182287, 364574, 494779, 546861, 989558, 1093722, 1484337, 2968674, 3463453, 6926906, 10390359, 20780718]

約数ペア:

[(1, 20780718), (2, 10390359), (3, 6926906), (6, 3463453), (7, 2968674), (14, 1484337), (19, 1093722), (21, 989558), (38, 546861), (42, 494779), (57, 364574), (114, 182287), (133, 156246), (266, 78123), (399, 52082), (798, 26041)]