20979614

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1\times {\mathrm{2741}}^1$

素因数の和:2875

約数の個数: 16

約数和(自身を含む): 32574960

約数和(自身を除く): 11595346

約数列:

[1, 2, 43, 86, 89, 178, 2741, 3827, 5482, 7654, 117863, 235726, 243949, 487898, 10489807, 20979614]

約数ペア:

[(1, 20979614), (2, 10489807), (43, 487898), (86, 243949), (89, 235726), (178, 117863), (2741, 7654), (3827, 5482)]