20309271

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{20959}}^1$

素因数の和:20998

約数の個数: 16

約数和(自身を含む): 30182400

約数和(自身を除く): 9873129

約数列:

[1, 3, 17, 19, 51, 57, 323, 969, 20959, 62877, 356303, 398221, 1068909, 1194663, 6769757, 20309271]

約数ペア:

[(1, 20309271), (3, 6769757), (17, 1194663), (19, 1068909), (51, 398221), (57, 356303), (323, 62877), (969, 20959)]