20899682272

素因数分解:

$2^5\times 7^2\times {\mathrm{13328879}}^1$

素因数の和:13328903

約数の個数: 36

約数和(自身を含む): 47864008080

約数和(自身を除く): 26964325808

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 98, 112, 196, 224, 392, 784, 1568, 13328879, 26657758, 53315516, 93302153, 106631032, 186604306, 213262064, 373208612, 426524128, 653115071, 746417224, 1306230142, 1492834448, 2612460284, 2985668896, 5224920568, 10449841136, 20899682272]

約数ペア:

[(1, 20899682272), (2, 10449841136), (4, 5224920568), (7, 2985668896), (8, 2612460284), (14, 1492834448), (16, 1306230142), (28, 746417224), (32, 653115071), (49, 426524128), (56, 373208612), (98, 213262064), (112, 186604306), (196, 106631032), (224, 93302153), (392, 53315516), (784, 26657758), (1568, 13328879)]