20999170

素因数分解:

$2^1\times 5^1\times {\mathrm{313}}^1\times {\mathrm{6709}}^1$

素因数の和:7029

約数の個数: 16

約数和(自身を含む): 37924920

約数和(自身を除く): 16925750

約数列:

[1, 2, 5, 10, 313, 626, 1565, 3130, 6709, 13418, 33545, 67090, 2099917, 4199834, 10499585, 20999170]

約数ペア:

[(1, 20999170), (2, 10499585), (5, 4199834), (10, 2099917), (313, 67090), (626, 33545), (1565, 13418), (3130, 6709)]