20551336

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{197609}}^1$

素因数の和:197628

約数の個数: 16

約数和(自身を含む): 41498100

約数和(自身を除く): 20946764

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 197609, 395218, 790436, 1580872, 2568917, 5137834, 10275668, 20551336]

約数ペア:

[(1, 20551336), (2, 10275668), (4, 5137834), (8, 2568917), (13, 1580872), (26, 790436), (52, 395218), (104, 197609)]