20586914

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{223}}^1\times {\mathrm{1489}}^1$

素因数の和:1745

約数の個数: 16

約数和(自身を含む): 32040960

約数和(自身を除く): 11454046

約数列:

[1, 2, 31, 62, 223, 446, 1489, 2978, 6913, 13826, 46159, 92318, 332047, 664094, 10293457, 20586914]

約数ペア:

[(1, 20586914), (2, 10293457), (31, 664094), (62, 332047), (223, 92318), (446, 46159), (1489, 13826), (2978, 6913)]