20804905316

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{3884411}}^1$

素因数の和:3884531

約数の個数: 24

約数和(自身を含む): 39589927104

約数和(自身を除く): 18785021788

約数列:

[1, 2, 4, 13, 26, 52, 103, 206, 412, 1339, 2678, 5356, 3884411, 7768822, 15537644, 50497343, 100994686, 201989372, 400094333, 800188666, 1600377332, 5201226329, 10402452658, 20804905316]

約数ペア:

[(1, 20804905316), (2, 10402452658), (4, 5201226329), (13, 1600377332), (26, 800188666), (52, 400094333), (103, 201989372), (206, 100994686), (412, 50497343), (1339, 15537644), (2678, 7768822), (5356, 3884411)]