20996926568

素因数分解:

$2^3\times {\mathrm{103}}^1\times {\mathrm{25481707}}^1$

素因数の和:25481816

約数の個数: 16

約数和(自身を含む): 39751464480

約数和(自身を除く): 18754537912

約数列:

[1, 2, 4, 8, 103, 206, 412, 824, 25481707, 50963414, 101926828, 203853656, 2624615821, 5249231642, 10498463284, 20996926568]

約数ペア:

[(1, 20996926568), (2, 10498463284), (4, 5249231642), (8, 2624615821), (103, 203853656), (206, 101926828), (412, 50963414), (824, 25481707)]