20996957534

素因数分解:

$2^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{34878667}}^1$

素因数の和:34878719

約数の個数: 16

約数和(自身を含む): 36831873408

約数和(自身を除く): 15834915874

約数列:

[1, 2, 7, 14, 43, 86, 301, 602, 34878667, 69757334, 244150669, 488301338, 1499782681, 2999565362, 10498478767, 20996957534]

約数ペア:

[(1, 20996957534), (2, 10498478767), (7, 2999565362), (14, 1499782681), (43, 488301338), (86, 244150669), (301, 69757334), (602, 34878667)]