20120940007

素因数分解:

$7^1\times {\mathrm{709}}^1\times {\mathrm{811}}^1\times {\mathrm{4999}}^1$

素因数の和:6526

約数の個数: 16

約数和(自身を含む): 23060800000

約数和(自身を除く): 2939859993

約数列:

[1, 7, 709, 811, 4963, 4999, 5677, 34993, 574999, 3544291, 4024993, 4054189, 24810037, 28379323, 2874420001, 20120940007]

約数ペア:

[(1, 20120940007), (7, 2874420001), (709, 28379323), (811, 24810037), (4963, 4054189), (4999, 4024993), (5677, 3544291), (34993, 574999)]