20109106

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{12907}}^1$

素因数の和:12969

約数の個数: 16

約数和(自身を含む): 32528160

約数和(自身を除く): 12419054

約数列:

[1, 2, 19, 38, 41, 82, 779, 1558, 12907, 25814, 245233, 490466, 529187, 1058374, 10054553, 20109106]

約数ペア:

[(1, 20109106), (2, 10054553), (19, 1058374), (38, 529187), (41, 490466), (82, 245233), (779, 25814), (1558, 12907)]