20199129

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{83}}^1\times {\mathrm{3527}}^1$

素因数の和:3636

約数の個数: 16

約数和(自身を含む): 28449792

約数和(自身を除く): 8250663

約数列:

[1, 3, 23, 69, 83, 249, 1909, 3527, 5727, 10581, 81121, 243363, 292741, 878223, 6733043, 20199129]

約数ペア:

[(1, 20199129), (3, 6733043), (23, 878223), (69, 292741), (83, 243363), (249, 81121), (1909, 10581), (3527, 5727)]