20972842882

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{83}}^1\times {\mathrm{643}}^1\times {\mathrm{8543}}^1$

素因数の和:9294

約数の個数: 32

約数和(自身を含む): 33278128128

約数和(自身を除く): 12305285246

約数列:

[1, 2, 23, 46, 83, 166, 643, 1286, 1909, 3818, 8543, 14789, 17086, 29578, 53369, 106738, 196489, 392978, 709069, 1227487, 1418138, 2454974, 5493149, 10986298, 16308587, 32617174, 126342427, 252684854, 455931367, 911862734, 10486421441, 20972842882]

約数ペア:

[(1, 20972842882), (2, 10486421441), (23, 911862734), (46, 455931367), (83, 252684854), (166, 126342427), (643, 32617174), (1286, 16308587), (1909, 10986298), (3818, 5493149), (8543, 2454974), (14789, 1418138), (17086, 1227487), (29578, 709069), (53369, 392978), (106738, 196489)]