20199808342

素因数分解:

$2^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{38995769}}^1$

素因数の和:38995815

約数の個数: 16

約数和(自身を含む): 35564142240

約数和(自身を除く): 15364333898

約数列:

[1, 2, 7, 14, 37, 74, 259, 518, 38995769, 77991538, 272970383, 545940766, 1442843453, 2885686906, 10099904171, 20199808342]

約数ペア:

[(1, 20199808342), (2, 10099904171), (7, 2885686906), (14, 1442843453), (37, 545940766), (74, 272970383), (259, 77991538), (518, 38995769)]