20444866

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{18287}}^1$

素因数の和:18345

約数の個数: 16

約数和(自身を含む): 33796224

約数和(自身を除く): 13351358

約数列:

[1, 2, 13, 26, 43, 86, 559, 1118, 18287, 36574, 237731, 475462, 786341, 1572682, 10222433, 20444866]

約数ペア:

[(1, 20444866), (2, 10222433), (13, 1572682), (26, 786341), (43, 475462), (86, 237731), (559, 36574), (1118, 18287)]