20213674

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{31}}^2\times {\mathrm{809}}^1$

素因数の和:886

約数の個数: 24

約数和(自身を含む): 33781860

約数和(自身を除く): 13568186

約数列:

[1, 2, 13, 26, 31, 62, 403, 806, 809, 961, 1618, 1922, 10517, 12493, 21034, 24986, 25079, 50158, 326027, 652054, 777449, 1554898, 10106837, 20213674]

約数ペア:

[(1, 20213674), (2, 10106837), (13, 1554898), (26, 777449), (31, 652054), (62, 326027), (403, 50158), (806, 25079), (809, 24986), (961, 21034), (1618, 12493), (1922, 10517)]