2020591885

素因数分解:

$5^1\times {\mathrm{13}}^3\times {\mathrm{419}}^1\times {\mathrm{439}}^1$

素因数の和:902

約数の個数: 32

約数和(自身を含む): 2638944000

約数和(自身を除く): 618352115

約数列:

[1, 5, 13, 65, 169, 419, 439, 845, 2095, 2195, 2197, 5447, 5707, 10985, 27235, 28535, 70811, 74191, 183941, 354055, 370955, 919705, 920543, 964483, 2391233, 4602715, 4822415, 11956165, 31086029, 155430145, 404118377, 2020591885]

約数ペア:

[(1, 2020591885), (5, 404118377), (13, 155430145), (65, 31086029), (169, 11956165), (419, 4822415), (439, 4602715), (845, 2391233), (2095, 964483), (2195, 920543), (2197, 919705), (5447, 370955), (5707, 354055), (10985, 183941), (27235, 74191), (28535, 70811)]