20408874

素因数分解:

$2^1\times 3^1\times {\mathrm{17}}^1\times {\mathrm{200087}}^1$

素因数の和:200109

約数の個数: 16

約数和(自身を含む): 43219008

約数和(自身を除く): 22810134

約数列:

[1, 2, 3, 6, 17, 34, 51, 102, 200087, 400174, 600261, 1200522, 3401479, 6802958, 10204437, 20408874]

約数ペア:

[(1, 20408874), (2, 10204437), (3, 6802958), (6, 3401479), (17, 1200522), (34, 600261), (51, 400174), (102, 200087)]