20887203

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{11069}}^1$

素因数の和:11126

約数の個数: 16

約数和(自身を含む): 30287520

約数和(自身を除く): 9400317

約数列:

[1, 3, 17, 37, 51, 111, 629, 1887, 11069, 33207, 188173, 409553, 564519, 1228659, 6962401, 20887203]

約数ペア:

[(1, 20887203), (3, 6962401), (17, 1228659), (37, 564519), (51, 409553), (111, 188173), (629, 33207), (1887, 11069)]