20957141

素因数分解:

${\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{97}}^1\times {\mathrm{179}}^1$

素因数の和:364

約数の個数: 16

約数和(自身を含む): 22861440

約数和(自身を除く): 1904299

約数列:

[1, 17, 71, 97, 179, 1207, 1649, 3043, 6887, 12709, 17363, 117079, 216053, 295171, 1232773, 20957141]

約数ペア:

[(1, 20957141), (17, 1232773), (71, 295171), (97, 216053), (179, 117079), (1207, 17363), (1649, 12709), (3043, 6887)]