20168792

素因数分解:

$2^3\times 7^2\times {\mathrm{23}}^1\times {\mathrm{2237}}^1$

素因数の和:2280

約数の個数: 48

約数和(自身を含む): 45923760

約数和(自身を除く): 25754968

約数列:

[1, 2, 4, 7, 8, 14, 23, 28, 46, 49, 56, 92, 98, 161, 184, 196, 322, 392, 644, 1127, 1288, 2237, 2254, 4474, 4508, 8948, 9016, 15659, 17896, 31318, 51451, 62636, 102902, 109613, 125272, 205804, 219226, 360157, 411608, 438452, 720314, 876904, 1440628, 2521099, 2881256, 5042198, 10084396, 20168792]

約数ペア:

[(1, 20168792), (2, 10084396), (4, 5042198), (7, 2881256), (8, 2521099), (14, 1440628), (23, 876904), (28, 720314), (46, 438452), (49, 411608), (56, 360157), (92, 219226), (98, 205804), (161, 125272), (184, 109613), (196, 102902), (322, 62636), (392, 51451), (644, 31318), (1127, 17896), (1288, 15659), (2237, 9016), (2254, 8948), (4474, 4508)]