20387284

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{6379}}^1$

素因数の和:6447

約数の個数: 24

約数和(自身を含む): 38586240

約数和(自身を除く): 18198956

約数列:

[1, 2, 4, 17, 34, 47, 68, 94, 188, 799, 1598, 3196, 6379, 12758, 25516, 108443, 216886, 299813, 433772, 599626, 1199252, 5096821, 10193642, 20387284]

約数ペア:

[(1, 20387284), (2, 10193642), (4, 5096821), (17, 1199252), (34, 599626), (47, 433772), (68, 299813), (94, 216886), (188, 108443), (799, 25516), (1598, 12758), (3196, 6379)]