20568392

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{197773}}^1$

素因数の和:197792

約数の個数: 16

約数和(自身を含む): 41532540

約数和(自身を除く): 20964148

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 197773, 395546, 791092, 1582184, 2571049, 5142098, 10284196, 20568392]

約数ペア:

[(1, 20568392), (2, 10284196), (4, 5142098), (8, 2571049), (13, 1582184), (26, 791092), (52, 395546), (104, 197773)]