20937202845

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{409}}^1\times {\mathrm{262519}}^1$

素因数の和:262949

約数の個数: 32

約数和(自身を含む): 36164755200

約数和(自身を除く): 15227552355

約数列:

[1, 3, 5, 13, 15, 39, 65, 195, 409, 1227, 2045, 5317, 6135, 15951, 26585, 79755, 262519, 787557, 1312595, 3412747, 3937785, 10238241, 17063735, 51191205, 107370271, 322110813, 536851355, 1395813523, 1610554065, 4187440569, 6979067615, 20937202845]

約数ペア:

[(1, 20937202845), (3, 6979067615), (5, 4187440569), (13, 1610554065), (15, 1395813523), (39, 536851355), (65, 322110813), (195, 107370271), (409, 51191205), (1227, 17063735), (2045, 10238241), (5317, 3937785), (6135, 3412747), (15951, 1312595), (26585, 787557), (79755, 262519)]