20850543

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{17419}}^1$

素因数の和:17451

約数の個数: 24

約数和(自身を含む): 36233600

約数和(自身を除く): 15383057

約数列:

[1, 3, 7, 9, 19, 21, 57, 63, 133, 171, 399, 1197, 17419, 52257, 121933, 156771, 330961, 365799, 992883, 1097397, 2316727, 2978649, 6950181, 20850543]

約数ペア:

[(1, 20850543), (3, 6950181), (7, 2978649), (9, 2316727), (19, 1097397), (21, 992883), (57, 365799), (63, 330961), (133, 156771), (171, 121933), (399, 52257), (1197, 17419)]