20674786

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{37}}^1\times {\mathrm{2309}}^1$

素因数の和:2370

約数の個数: 24

約数和(自身を含む): 35024220

約数和(自身を除く): 14349434

約数列:

[1, 2, 11, 22, 37, 74, 121, 242, 407, 814, 2309, 4477, 4618, 8954, 25399, 50798, 85433, 170866, 279389, 558778, 939763, 1879526, 10337393, 20674786]

約数ペア:

[(1, 20674786), (2, 10337393), (11, 1879526), (22, 939763), (37, 558778), (74, 279389), (121, 170866), (242, 85433), (407, 50798), (814, 25399), (2309, 8954), (4477, 4618)]