20905270

素因数分解:

$2^1\times 5^1\times {\mathrm{313}}^1\times {\mathrm{6679}}^1$

素因数の和:6999

約数の個数: 16

約数和(自身を含む): 37755360

約数和(自身を除く): 16850090

約数列:

[1, 2, 5, 10, 313, 626, 1565, 3130, 6679, 13358, 33395, 66790, 2090527, 4181054, 10452635, 20905270]

約数ペア:

[(1, 20905270), (2, 10452635), (5, 4181054), (10, 2090527), (313, 66790), (626, 33395), (1565, 13358), (3130, 6679)]