20340039152

素因数分解:

$2^4\times {\mathrm{4889}}^1\times {\mathrm{260023}}^1$

素因数の和:264920

約数の個数: 20

約数和(自身を含む): 39417038160

約数和(自身を除く): 19076999008

約数列:

[1, 2, 4, 8, 16, 4889, 9778, 19556, 39112, 78224, 260023, 520046, 1040092, 2080184, 4160368, 1271252447, 2542504894, 5085009788, 10170019576, 20340039152]

約数ペア:

[(1, 20340039152), (2, 10170019576), (4, 5085009788), (8, 2542504894), (16, 1271252447), (4889, 4160368), (9778, 2080184), (19556, 1040092), (39112, 520046), (78224, 260023)]