20885612

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{12829}}^1$

素因数の和:12881

約数の個数: 24

約数和(自身を含む): 40953360

約数和(自身を除く): 20067748

約数列:

[1, 2, 4, 11, 22, 37, 44, 74, 148, 407, 814, 1628, 12829, 25658, 51316, 141119, 282238, 474673, 564476, 949346, 1898692, 5221403, 10442806, 20885612]

約数ペア:

[(1, 20885612), (2, 10442806), (4, 5221403), (11, 1898692), (22, 949346), (37, 564476), (44, 474673), (74, 282238), (148, 141119), (407, 51316), (814, 25658), (1628, 12829)]