20137870158

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{107}}^1\times {\mathrm{640151}}^1$

素因数の和:640277

約数の個数: 48

約数和(自身を含む): 47289308544

約数和(自身を除く): 27151438386

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 49, 98, 107, 147, 214, 294, 321, 642, 749, 1498, 2247, 4494, 5243, 10486, 15729, 31458, 640151, 1280302, 1920453, 3840906, 4481057, 8962114, 13443171, 26886342, 31367399, 62734798, 68496157, 94102197, 136992314, 188204394, 205488471, 410976942, 479473099, 958946198, 1438419297, 2876838594, 3356311693, 6712623386, 10068935079, 20137870158]

約数ペア:

[(1, 20137870158), (2, 10068935079), (3, 6712623386), (6, 3356311693), (7, 2876838594), (14, 1438419297), (21, 958946198), (42, 479473099), (49, 410976942), (98, 205488471), (107, 188204394), (147, 136992314), (214, 94102197), (294, 68496157), (321, 62734798), (642, 31367399), (749, 26886342), (1498, 13443171), (2247, 8962114), (4494, 4481057), (5243, 3840906), (10486, 1920453), (15729, 1280302), (31458, 640151)]