20041903

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{4861}}^1$

素因数の和:4918

約数の個数: 16

約数和(自身を含む): 24893440

約数和(自身を除く): 4851537

約数列:

[1, 7, 19, 31, 133, 217, 589, 4123, 4861, 34027, 92359, 150691, 646513, 1054837, 2863129, 20041903]

約数ペア:

[(1, 20041903), (7, 2863129), (19, 1054837), (31, 646513), (133, 150691), (217, 92359), (589, 34027), (4123, 4861)]