20139367240

素因数分解:

$2^3\times 5^1\times {\mathrm{503484181}}^1$

素因数の和:503484192

約数の個数: 16

約数和(自身を含む): 45313576380

約数和(自身を除く): 25174209140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 503484181, 1006968362, 2013936724, 2517420905, 4027873448, 5034841810, 10069683620, 20139367240]

約数ペア:

[(1, 20139367240), (2, 10069683620), (4, 5034841810), (5, 4027873448), (8, 2517420905), (10, 2013936724), (20, 1006968362), (40, 503484181)]