20059340

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{143281}}^1$

素因数の和:143297

約数の個数: 24

約数和(自身を含む): 48142752

約数和(自身を除く): 28083412

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 143281, 286562, 573124, 716405, 1002967, 1432810, 2005934, 2865620, 4011868, 5014835, 10029670, 20059340]

約数ペア:

[(1, 20059340), (2, 10029670), (4, 5014835), (5, 4011868), (7, 2865620), (10, 2005934), (14, 1432810), (20, 1002967), (28, 716405), (35, 573124), (70, 286562), (140, 143281)]