20339978

素因数分解:

$2^1\times {\mathrm{157}}^1\times {\mathrm{211}}^1\times {\mathrm{307}}^1$

素因数の和:677

約数の個数: 16

約数和(自身を含む): 30950304

約数和(自身を除く): 10610326

約数列:

[1, 2, 157, 211, 307, 314, 422, 614, 33127, 48199, 64777, 66254, 96398, 129554, 10169989, 20339978]

約数ペア:

[(1, 20339978), (2, 10169989), (157, 129554), (211, 96398), (307, 66254), (314, 64777), (422, 48199), (614, 33127)]