16620892

素因数分解:

$2^2\times {\mathrm{47}}^1\times {\mathrm{211}}^1\times {\mathrm{419}}^1$

素因数の和:681

約数の個数: 24

約数和(自身を含む): 29917440

約数和(自身を除く): 13296548

約数列:

[1, 2, 4, 47, 94, 188, 211, 419, 422, 838, 844, 1676, 9917, 19693, 19834, 39386, 39668, 78772, 88409, 176818, 353636, 4155223, 8310446, 16620892]

約数ペア:

[(1, 16620892), (2, 8310446), (4, 4155223), (47, 353636), (94, 176818), (188, 88409), (211, 78772), (419, 39668), (422, 39386), (838, 19834), (844, 19693), (1676, 9917)]