20465355

素因数分解:

$3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{107}}^1\times {\mathrm{311}}^1$

素因数の和:467

約数の個数: 32

約数和(自身を含む): 33965568

約数和(自身を除く): 13500213

約数列:

[1, 3, 5, 15, 41, 107, 123, 205, 311, 321, 535, 615, 933, 1555, 1605, 4387, 4665, 12751, 13161, 21935, 33277, 38253, 63755, 65805, 99831, 166385, 191265, 499155, 1364357, 4093071, 6821785, 20465355]

約数ペア:

[(1, 20465355), (3, 6821785), (5, 4093071), (15, 1364357), (41, 499155), (107, 191265), (123, 166385), (205, 99831), (311, 65805), (321, 63755), (535, 38253), (615, 33277), (933, 21935), (1555, 13161), (1605, 12751), (4387, 4665)]