20815705525

素因数分解:

$5^2\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{841889}}^1$

素因数の和:841965

約数の個数: 24

約数和(自身を含む): 27560111040

約数和(自身を除く): 6744405515

約数列:

[1, 5, 23, 25, 43, 115, 215, 575, 989, 1075, 4945, 24725, 841889, 4209445, 19363447, 21047225, 36201227, 96817235, 181006135, 484086175, 832628221, 905030675, 4163141105, 20815705525]

約数ペア:

[(1, 20815705525), (5, 4163141105), (23, 905030675), (25, 832628221), (43, 484086175), (115, 181006135), (215, 96817235), (575, 36201227), (989, 21047225), (1075, 19363447), (4945, 4209445), (24725, 841889)]