20800995222

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{495261791}}^1$

素因数の和:495261803

約数の個数: 16

約数和(自身を含む): 47545132032

約数和(自身を除く): 26744136810

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 495261791, 990523582, 1485785373, 2971570746, 3466832537, 6933665074, 10400497611, 20800995222]

約数ペア:

[(1, 20800995222), (2, 10400497611), (3, 6933665074), (6, 3466832537), (7, 2971570746), (14, 1485785373), (21, 990523582), (42, 495261791)]