20853870086

素因数分解:

$2^1\times 7^1\times {\mathrm{157}}^1\times {\mathrm{9487657}}^1$

素因数の和:9487823

約数の個数: 16

約数和(自身を含む): 35977199136

約数和(自身を除く): 15123329050

約数列:

[1, 2, 7, 14, 157, 314, 1099, 2198, 9487657, 18975314, 66413599, 132827198, 1489562149, 2979124298, 10426935043, 20853870086]

約数ペア:

[(1, 20853870086), (2, 10426935043), (7, 2979124298), (14, 1489562149), (157, 132827198), (314, 66413599), (1099, 18975314), (2198, 9487657)]