20797384996

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{757}}^1\times {\mathrm{404021}}^1$

素因数の和:404799

約数の個数: 24

約数和(自身を含む): 38587333176

約数和(自身を除く): 17789948180

約数列:

[1, 2, 4, 17, 34, 68, 757, 1514, 3028, 12869, 25738, 51476, 404021, 808042, 1616084, 6868357, 13736714, 27473428, 305843897, 611687794, 1223375588, 5199346249, 10398692498, 20797384996]

約数ペア:

[(1, 20797384996), (2, 10398692498), (4, 5199346249), (17, 1223375588), (34, 611687794), (68, 305843897), (757, 27473428), (1514, 13736714), (3028, 6868357), (12869, 1616084), (25738, 808042), (51476, 404021)]