20485777790

素因数分解:

$2^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{55366967}}^1$

素因数の和:55367011

約数の個数: 16

約数和(自身を含む): 37871006112

約数和(自身を除く): 17385228322

約数列:

[1, 2, 5, 10, 37, 74, 185, 370, 55366967, 110733934, 276834835, 553669670, 2048577779, 4097155558, 10242888895, 20485777790]

約数ペア:

[(1, 20485777790), (2, 10242888895), (5, 4097155558), (10, 2048577779), (37, 553669670), (74, 276834835), (185, 110733934), (370, 55366967)]