20078298

素因数分解:

$2^1\times 3^2\times {\mathrm{521}}^1\times {\mathrm{2141}}^1$

素因数の和:2670

約数の個数: 24

約数和(自身を含む): 43606836

約数和(自身を除く): 23528538

約数列:

[1, 2, 3, 6, 9, 18, 521, 1042, 1563, 2141, 3126, 4282, 4689, 6423, 9378, 12846, 19269, 38538, 1115461, 2230922, 3346383, 6692766, 10039149, 20078298]

約数ペア:

[(1, 20078298), (2, 10039149), (3, 6692766), (6, 3346383), (9, 2230922), (18, 1115461), (521, 38538), (1042, 19269), (1563, 12846), (2141, 9378), (3126, 6423), (4282, 4689)]