20674892

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{23819}}^1$

素因数の和:23861

約数の個数: 24

約数和(自身を含む): 42685440

約数和(自身を除く): 22010548

約数列:

[1, 2, 4, 7, 14, 28, 31, 62, 124, 217, 434, 868, 23819, 47638, 95276, 166733, 333466, 666932, 738389, 1476778, 2953556, 5168723, 10337446, 20674892]

約数ペア:

[(1, 20674892), (2, 10337446), (4, 5168723), (7, 2953556), (14, 1476778), (28, 738389), (31, 666932), (62, 333466), (124, 166733), (217, 95276), (434, 47638), (868, 23819)]