20278874

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{11971}}^1$

素因数の和:12002

約数の個数: 24

約数和(自身を含む): 38214624

約数和(自身を除く): 17935750

約数列:

[1, 2, 7, 11, 14, 22, 77, 121, 154, 242, 847, 1694, 11971, 23942, 83797, 131681, 167594, 263362, 921767, 1448491, 1843534, 2896982, 10139437, 20278874]

約数ペア:

[(1, 20278874), (2, 10139437), (7, 2896982), (11, 1843534), (14, 1448491), (22, 921767), (77, 263362), (121, 167594), (154, 131681), (242, 83797), (847, 23942), (1694, 11971)]