200920445

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{389}}^1\times {\mathrm{9391}}^1$

素因数の和:9796

約数の個数: 16

約数和(自身を含む): 263727360

約数和(自身を除く): 62806915

約数列:

[1, 5, 11, 55, 389, 1945, 4279, 9391, 21395, 46955, 103301, 516505, 3653099, 18265495, 40184089, 200920445]

約数ペア:

[(1, 200920445), (5, 40184089), (11, 18265495), (55, 3653099), (389, 516505), (1945, 103301), (4279, 46955), (9391, 21395)]