20868

素因数分解:

$2^2\times 3^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1$

素因数の和:91

約数の個数: 24

約数和(自身を含む): 51072

約数和(自身を除く): 30204

約数列:

[1, 2, 3, 4, 6, 12, 37, 47, 74, 94, 111, 141, 148, 188, 222, 282, 444, 564, 1739, 3478, 5217, 6956, 10434, 20868]

約数ペア:

[(1, 20868), (2, 10434), (3, 6956), (4, 5217), (6, 3478), (12, 1739), (37, 564), (47, 444), (74, 282), (94, 222), (111, 188), (141, 148)]