20490696603

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{627721}}^1$

素因数の和:627777

約数の個数: 40

約数和(自身を含む): 34027554176

約数和(自身を除く): 13536857573

約数列:

[1, 3, 9, 13, 27, 31, 39, 81, 93, 117, 279, 351, 403, 837, 1053, 1209, 2511, 3627, 10881, 32643, 627721, 1883163, 5649489, 8160373, 16948467, 19459351, 24481119, 50845401, 58378053, 73443357, 175134159, 220330071, 252971563, 525402477, 660990213, 758914689, 1576207431, 2276744067, 6830232201, 20490696603]

約数ペア:

[(1, 20490696603), (3, 6830232201), (9, 2276744067), (13, 1576207431), (27, 758914689), (31, 660990213), (39, 525402477), (81, 252971563), (93, 220330071), (117, 175134159), (279, 73443357), (351, 58378053), (403, 50845401), (837, 24481119), (1053, 19459351), (1209, 16948467), (2511, 8160373), (3627, 5649489), (10881, 1883163), (32643, 627721)]