20778777

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{2027}}^1$

素因数の和:2117

約数の個数: 24

約数和(自身を含む): 32269536

約数和(自身を除く): 11490759

約数列:

[1, 3, 9, 17, 51, 67, 153, 201, 603, 1139, 2027, 3417, 6081, 10251, 18243, 34459, 103377, 135809, 310131, 407427, 1222281, 2308753, 6926259, 20778777]

約数ペア:

[(1, 20778777), (3, 6926259), (9, 2308753), (17, 1222281), (51, 407427), (67, 310131), (153, 135809), (201, 103377), (603, 34459), (1139, 18243), (2027, 10251), (3417, 6081)]