20031308

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{41387}}^1$

素因数の和:41413

約数の個数: 18

約数和(自身を含む): 38532228

約数和(自身を除く): 18500920

約数列:

[1, 2, 4, 11, 22, 44, 121, 242, 484, 41387, 82774, 165548, 455257, 910514, 1821028, 5007827, 10015654, 20031308]

約数ペア:

[(1, 20031308), (2, 10015654), (4, 5007827), (11, 1821028), (22, 910514), (44, 455257), (121, 165548), (242, 82774), (484, 41387)]