20887412

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{57383}}^1$

素因数の和:57407

約数の個数: 24

約数和(自身を含む): 44989056

約数和(自身を除く): 24101644

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 182, 364, 57383, 114766, 229532, 401681, 745979, 803362, 1491958, 1606724, 2983916, 5221853, 10443706, 20887412]

約数ペア:

[(1, 20887412), (2, 10443706), (4, 5221853), (7, 2983916), (13, 1606724), (14, 1491958), (26, 803362), (28, 745979), (52, 401681), (91, 229532), (182, 114766), (364, 57383)]