20921354

素因数分解:

$2^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{9749}}^1$

素因数の和:9817

約数の個数: 16

約数和(自身を含む): 33345000

約数和(自身を除く): 12423646

約数列:

[1, 2, 29, 37, 58, 74, 1073, 2146, 9749, 19498, 282721, 360713, 565442, 721426, 10460677, 20921354]

約数ペア:

[(1, 20921354), (2, 10460677), (29, 721426), (37, 565442), (58, 360713), (74, 282721), (1073, 19498), (2146, 9749)]