20797348

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{353}}^1$

素因数の和:484

約数の個数: 48

約数和(自身を含む): 43295616

約数和(自身を除く): 22498268

約数列:

[1, 2, 4, 11, 13, 22, 26, 44, 52, 103, 143, 206, 286, 353, 412, 572, 706, 1133, 1339, 1412, 2266, 2678, 3883, 4532, 4589, 5356, 7766, 9178, 14729, 15532, 18356, 29458, 36359, 50479, 58916, 72718, 100958, 145436, 201916, 399949, 472667, 799898, 945334, 1599796, 1890668, 5199337, 10398674, 20797348]

約数ペア:

[(1, 20797348), (2, 10398674), (4, 5199337), (11, 1890668), (13, 1599796), (22, 945334), (26, 799898), (44, 472667), (52, 399949), (103, 201916), (143, 145436), (206, 100958), (286, 72718), (353, 58916), (412, 50479), (572, 36359), (706, 29458), (1133, 18356), (1339, 15532), (1412, 14729), (2266, 9178), (2678, 7766), (3883, 5356), (4532, 4589)]