20899996

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{9803}}^1$

素因数の和:9861

約数の個数: 24

約数和(自身を含む): 40353264

約数和(自身を除く): 19453268

約数列:

[1, 2, 4, 13, 26, 41, 52, 82, 164, 533, 1066, 2132, 9803, 19606, 39212, 127439, 254878, 401923, 509756, 803846, 1607692, 5224999, 10449998, 20899996]

約数ペア:

[(1, 20899996), (2, 10449998), (4, 5224999), (13, 1607692), (26, 803846), (41, 509756), (52, 401923), (82, 254878), (164, 127439), (533, 39212), (1066, 19606), (2132, 9803)]