20255666

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{317}}^1\times {\mathrm{743}}^1$

素因数の和:1105

約数の個数: 16

約数和(自身を含む): 31230144

約数和(自身を除く): 10974478

約数列:

[1, 2, 43, 86, 317, 634, 743, 1486, 13631, 27262, 31949, 63898, 235531, 471062, 10127833, 20255666]

約数ペア:

[(1, 20255666), (2, 10127833), (43, 471062), (86, 235531), (317, 63898), (634, 31949), (743, 27262), (1486, 13631)]