20004393

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{12653}}^1$

素因数の和:12704

約数の個数: 16

約数和(自身を含む): 29154816

約数和(自身を除く): 9150423

約数列:

[1, 3, 17, 31, 51, 93, 527, 1581, 12653, 37959, 215101, 392243, 645303, 1176729, 6668131, 20004393]

約数ペア:

[(1, 20004393), (3, 6668131), (17, 1176729), (31, 645303), (51, 392243), (93, 215101), (527, 37959), (1581, 12653)]