20965256

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{201589}}^1$

素因数の和:201608

約数の個数: 16

約数和(自身を含む): 42333900

約数和(自身を除く): 21368644

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 201589, 403178, 806356, 1612712, 2620657, 5241314, 10482628, 20965256]

約数ペア:

[(1, 20965256), (2, 10482628), (4, 5241314), (8, 2620657), (13, 1612712), (26, 806356), (52, 403178), (104, 201589)]