20008212470

素因数分解:

$2^1\times 5^1\times {\mathrm{103}}^1\times {\mathrm{19425449}}^1$

素因数の和:19425559

約数の個数: 16

約数和(自身を含む): 36364442400

約数和(自身を除く): 16356229930

約数列:

[1, 2, 5, 10, 103, 206, 515, 1030, 19425449, 38850898, 97127245, 194254490, 2000821247, 4001642494, 10004106235, 20008212470]

約数ペア:

[(1, 20008212470), (2, 10004106235), (5, 4001642494), (10, 2000821247), (103, 194254490), (206, 97127245), (515, 38850898), (1030, 19425449)]