20729225

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{1753}}^1$

素因数の和:1817

約数の個数: 24

約数和(自身を含む): 28709472

約数和(自身を除く): 7980247

約数列:

[1, 5, 11, 25, 43, 55, 215, 275, 473, 1075, 1753, 2365, 8765, 11825, 19283, 43825, 75379, 96415, 376895, 482075, 829169, 1884475, 4145845, 20729225]

約数ペア:

[(1, 20729225), (5, 4145845), (11, 1884475), (25, 829169), (43, 482075), (55, 376895), (215, 96415), (275, 75379), (473, 43825), (1075, 19283), (1753, 11825), (2365, 8765)]