20970290960

素因数分解:

$2^4\times 5^1\times {\mathrm{2729}}^1\times {\mathrm{96053}}^1$

素因数の和:98795

約数の個数: 40

約数和(自身を含む): 48774300120

約数和(自身を除く): 27804009160

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2729, 5458, 10916, 13645, 21832, 27290, 43664, 54580, 96053, 109160, 192106, 218320, 384212, 480265, 768424, 960530, 1536848, 1921060, 3842120, 7684240, 262128637, 524257274, 1048514548, 1310643185, 2097029096, 2621286370, 4194058192, 5242572740, 10485145480, 20970290960]

約数ペア:

[(1, 20970290960), (2, 10485145480), (4, 5242572740), (5, 4194058192), (8, 2621286370), (10, 2097029096), (16, 1310643185), (20, 1048514548), (40, 524257274), (80, 262128637), (2729, 7684240), (5458, 3842120), (10916, 1921060), (13645, 1536848), (21832, 960530), (27290, 768424), (43664, 480265), (54580, 384212), (96053, 218320), (109160, 192106)]