20184872

素因数分解:

$2^3\times {\mathrm{127}}^1\times {\mathrm{19867}}^1$

素因数の和:20000

約数の個数: 16

約数和(自身を含む): 38146560

約数和(自身を除く): 17961688

約数列:

[1, 2, 4, 8, 127, 254, 508, 1016, 19867, 39734, 79468, 158936, 2523109, 5046218, 10092436, 20184872]

約数ペア:

[(1, 20184872), (2, 10092436), (4, 5046218), (8, 2523109), (127, 158936), (254, 79468), (508, 39734), (1016, 19867)]