20756595

素因数分解:

$3^1\times 5^1\times {\mathrm{313}}^1\times {\mathrm{4421}}^1$

素因数の和:4742

約数の個数: 16

約数和(自身を含む): 33324192

約数和(自身を除く): 12567597

約数列:

[1, 3, 5, 15, 313, 939, 1565, 4421, 4695, 13263, 22105, 66315, 1383773, 4151319, 6918865, 20756595]

約数ペア:

[(1, 20756595), (3, 6918865), (5, 4151319), (15, 1383773), (313, 66315), (939, 22105), (1565, 13263), (4421, 4695)]