20666547

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{10987}}^1$

素因数の和:11023

約数の個数: 24

約数和(自身を含む): 34282560

約数和(自身を除く): 13616013

約数列:

[1, 3, 9, 11, 19, 33, 57, 99, 171, 209, 627, 1881, 10987, 32961, 98883, 120857, 208753, 362571, 626259, 1087713, 1878777, 2296283, 6888849, 20666547]

約数ペア:

[(1, 20666547), (3, 6888849), (9, 2296283), (11, 1878777), (19, 1087713), (33, 626259), (57, 362571), (99, 208753), (171, 120857), (209, 98883), (627, 32961), (1881, 10987)]