20012772

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{128287}}^1$

素因数の和:128307

約数の個数: 24

約数和(自身を含む): 50288896

約数和(自身を除く): 30276124

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 128287, 256574, 384861, 513148, 769722, 1539444, 1667731, 3335462, 5003193, 6670924, 10006386, 20012772]

約数ペア:

[(1, 20012772), (2, 10006386), (3, 6670924), (4, 5003193), (6, 3335462), (12, 1667731), (13, 1539444), (26, 769722), (39, 513148), (52, 384861), (78, 256574), (156, 128287)]