20075818

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{1063}}^1$

素因数の和:1162

約数の個数: 32

約数和(自身を含む): 36771840

約数和(自身を除く): 16696022

約数列:

[1, 2, 7, 14, 19, 38, 71, 133, 142, 266, 497, 994, 1063, 1349, 2126, 2698, 7441, 9443, 14882, 18886, 20197, 40394, 75473, 141379, 150946, 282758, 528311, 1056622, 1433987, 2867974, 10037909, 20075818]

約数ペア:

[(1, 20075818), (2, 10037909), (7, 2867974), (14, 1433987), (19, 1056622), (38, 528311), (71, 282758), (133, 150946), (142, 141379), (266, 75473), (497, 40394), (994, 20197), (1063, 18886), (1349, 14882), (2126, 9443), (2698, 7441)]