20089258

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{701}}^1$

素因数の和:822

約数の個数: 32

約数和(自身を含む): 36391680

約数和(自身を除く): 16302422

約数列:

[1, 2, 7, 14, 23, 46, 89, 161, 178, 322, 623, 701, 1246, 1402, 2047, 4094, 4907, 9814, 14329, 16123, 28658, 32246, 62389, 112861, 124778, 225722, 436723, 873446, 1434947, 2869894, 10044629, 20089258]

約数ペア:

[(1, 20089258), (2, 10044629), (7, 2869894), (14, 1434947), (23, 873446), (46, 436723), (89, 225722), (161, 124778), (178, 112861), (322, 62389), (623, 32246), (701, 28658), (1246, 16123), (1402, 14329), (2047, 9814), (4094, 4907)]