20927943

素因数分解:

$3^3\times {\mathrm{157}}^1\times {\mathrm{4937}}^1$

素因数の和:5103

約数の個数: 16

約数和(自身を含む): 31208160

約数和(自身を除く): 10280217

約数列:

[1, 3, 9, 27, 157, 471, 1413, 4239, 4937, 14811, 44433, 133299, 775109, 2325327, 6975981, 20927943]

約数ペア:

[(1, 20927943), (3, 6975981), (9, 2325327), (27, 775109), (157, 133299), (471, 44433), (1413, 14811), (4239, 4937)]