20350825

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{1721}}^1$

素因数の和:1785

約数の個数: 24

約数和(自身を含む): 28185696

約数和(自身を除く): 7834871

約数列:

[1, 5, 11, 25, 43, 55, 215, 275, 473, 1075, 1721, 2365, 8605, 11825, 18931, 43025, 74003, 94655, 370015, 473275, 814033, 1850075, 4070165, 20350825]

約数ペア:

[(1, 20350825), (5, 4070165), (11, 1850075), (25, 814033), (43, 473275), (55, 370015), (215, 94655), (275, 74003), (473, 43025), (1075, 18931), (1721, 11825), (2365, 8605)]