20939242

素因数分解:

$2^1\times {\mathrm{67}}^1\times {\mathrm{307}}^1\times {\mathrm{509}}^1$

素因数の和:885

約数の個数: 16

約数和(自身を含む): 32044320

約数和(自身を除く): 11105078

約数列:

[1, 2, 67, 134, 307, 509, 614, 1018, 20569, 34103, 41138, 68206, 156263, 312526, 10469621, 20939242]

約数ペア:

[(1, 20939242), (2, 10469621), (67, 312526), (134, 156263), (307, 68206), (509, 41138), (614, 34103), (1018, 20569)]