20404365

素因数分解:

$3^1\times 5^1\times {\mathrm{107}}^1\times {\mathrm{12713}}^1$

素因数の和:12828

約数の個数: 16

約数和(自身を含む): 32954688

約数和(自身を除く): 12550323

約数列:

[1, 3, 5, 15, 107, 321, 535, 1605, 12713, 38139, 63565, 190695, 1360291, 4080873, 6801455, 20404365]

約数ペア:

[(1, 20404365), (3, 6801455), (5, 4080873), (15, 1360291), (107, 190695), (321, 63565), (535, 38139), (1605, 12713)]