20187677939

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{379}}^1\times {\mathrm{21911}}^1$

素因数の和:22331

約数の個数: 32

約数和(自身を含む): 25179517440

約数和(自身を除く): 4991839501

約数列:

[1, 11, 13, 17, 143, 187, 221, 379, 2431, 4169, 4927, 6443, 21911, 54197, 70873, 83759, 241021, 284843, 372487, 921349, 3133273, 4097357, 4842331, 8304269, 53265641, 91346959, 107955497, 141172573, 1187510467, 1552898303, 1835243449, 20187677939]

約数ペア:

[(1, 20187677939), (11, 1835243449), (13, 1552898303), (17, 1187510467), (143, 141172573), (187, 107955497), (221, 91346959), (379, 53265641), (2431, 8304269), (4169, 4842331), (4927, 4097357), (6443, 3133273), (21911, 921349), (54197, 372487), (70873, 284843), (83759, 241021)]