20139902360

素因数分解:

$2^3\times 5^1\times {\mathrm{503497559}}^1$

素因数の和:503497570

約数の個数: 16

約数和(自身を含む): 45314780400

約数和(自身を除く): 25174878040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 503497559, 1006995118, 2013990236, 2517487795, 4027980472, 5034975590, 10069951180, 20139902360]

約数ペア:

[(1, 20139902360), (2, 10069951180), (4, 5034975590), (5, 4027980472), (8, 2517487795), (10, 2013990236), (20, 1006995118), (40, 503497559)]