20020748

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{353}}^1\times {\mathrm{1289}}^1$

素因数の和:1657

約数の個数: 24

約数和(自身を含む): 38359440

約数和(自身を除く): 18338692

約数列:

[1, 2, 4, 11, 22, 44, 353, 706, 1289, 1412, 2578, 3883, 5156, 7766, 14179, 15532, 28358, 56716, 455017, 910034, 1820068, 5005187, 10010374, 20020748]

約数ペア:

[(1, 20020748), (2, 10010374), (4, 5005187), (11, 1820068), (22, 910034), (44, 455017), (353, 56716), (706, 28358), (1289, 15532), (1412, 14179), (2578, 7766), (3883, 5156)]