20145888903

素因数分解:

$3^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{14318329}}^1$

素因数の和:14318406

約数の個数: 16

約数和(自身を含む): 31156686080

約数和(自身を除く): 11010797177

約数列:

[1, 3, 7, 21, 67, 201, 469, 1407, 14318329, 42954987, 100228303, 300684909, 959328043, 2877984129, 6715296301, 20145888903]

約数ペア:

[(1, 20145888903), (3, 6715296301), (7, 2877984129), (21, 959328043), (67, 300684909), (201, 100228303), (469, 42954987), (1407, 14318329)]