20808217725

素因数分解:

$3^1\times 5^2\times {\mathrm{983}}^1\times {\mathrm{282241}}^1$

素因数の和:283237

約数の個数: 24

約数和(自身を含む): 34438039872

約数和(自身を除く): 13629822147

約数列:

[1, 3, 5, 15, 25, 75, 983, 2949, 4915, 14745, 24575, 73725, 282241, 846723, 1411205, 4233615, 7056025, 21168075, 277442903, 832328709, 1387214515, 4161643545, 6936072575, 20808217725]

約数ペア:

[(1, 20808217725), (3, 6936072575), (5, 4161643545), (15, 1387214515), (25, 832328709), (75, 277442903), (983, 21168075), (2949, 7056025), (4915, 4233615), (14745, 1411205), (24575, 846723), (73725, 282241)]