20165648

素因数分解:

$2^4\times {\mathrm{107}}^1\times {\mathrm{11779}}^1$

素因数の和:11894

約数の個数: 20

約数和(自身を含む): 39439440

約数和(自身を除く): 19273792

約数列:

[1, 2, 4, 8, 16, 107, 214, 428, 856, 1712, 11779, 23558, 47116, 94232, 188464, 1260353, 2520706, 5041412, 10082824, 20165648]

約数ペア:

[(1, 20165648), (2, 10082824), (4, 5041412), (8, 2520706), (16, 1260353), (107, 188464), (214, 94232), (428, 47116), (856, 23558), (1712, 11779)]