20089022320

素因数分解:

$2^4\times 5^1\times {\mathrm{251112779}}^1$

素因数の和:251112792

約数の個数: 20

約数和(自身を含む): 46706977080

約数和(自身を除く): 26617954760

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 251112779, 502225558, 1004451116, 1255563895, 2008902232, 2511127790, 4017804464, 5022255580, 10044511160, 20089022320]

約数ペア:

[(1, 20089022320), (2, 10044511160), (4, 5022255580), (5, 4017804464), (8, 2511127790), (10, 2008902232), (16, 1255563895), (20, 1004451116), (40, 502225558), (80, 251112779)]