20530318

素因数分解:

$2^1\times {\mathrm{29}}^1\times {\mathrm{307}}^1\times {\mathrm{1153}}^1$

素因数の和:1491

約数の個数: 16

約数和(自身を含む): 31988880

約数和(自身を除く): 11458562

約数列:

[1, 2, 29, 58, 307, 614, 1153, 2306, 8903, 17806, 33437, 66874, 353971, 707942, 10265159, 20530318]

約数ペア:

[(1, 20530318), (2, 10265159), (29, 707942), (58, 353971), (307, 66874), (614, 33437), (1153, 17806), (2306, 8903)]