20165499085

素因数分解:

$5^1\times {\mathrm{43}}^2\times {\mathrm{2181233}}^1$

素因数の和:2181324

約数の個数: 12

約数和(自身を含む): 24774455772

約数和(自身を除く): 4608956687

約数列:

[1, 5, 43, 215, 1849, 9245, 2181233, 10906165, 93793019, 468965095, 4033099817, 20165499085]

約数ペア:

[(1, 20165499085), (5, 4033099817), (43, 468965095), (215, 93793019), (1849, 10906165), (9245, 2181233)]