20674941

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{1997}}^1$

素因数の和:2053

約数の個数: 32

約数和(自身を含む): 34525440

約数和(自身を除く): 13850499

約数列:

[1, 3, 7, 17, 21, 29, 51, 87, 119, 203, 357, 493, 609, 1479, 1997, 3451, 5991, 10353, 13979, 33949, 41937, 57913, 101847, 173739, 237643, 405391, 712929, 984521, 1216173, 2953563, 6891647, 20674941]

約数ペア:

[(1, 20674941), (3, 6891647), (7, 2953563), (17, 1216173), (21, 984521), (29, 712929), (51, 405391), (87, 237643), (119, 173739), (203, 101847), (357, 57913), (493, 41937), (609, 33949), (1479, 13979), (1997, 10353), (3451, 5991)]