20097077

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{1181}}^1$

素因数の和:1229

約数の個数: 32

約数和(自身を含む): 28594944

約数和(自身を除く): 8497867

約数列:

[1, 7, 11, 13, 17, 77, 91, 119, 143, 187, 221, 1001, 1181, 1309, 1547, 2431, 8267, 12991, 15353, 17017, 20077, 90937, 107471, 140539, 168883, 220847, 261001, 1182181, 1545929, 1827007, 2871011, 20097077]

約数ペア:

[(1, 20097077), (7, 2871011), (11, 1827007), (13, 1545929), (17, 1182181), (77, 261001), (91, 220847), (119, 168883), (143, 140539), (187, 107471), (221, 90937), (1001, 20077), (1181, 17017), (1309, 15353), (1547, 12991), (2431, 8267)]