20684032

素因数分解:

$2^8\times {\mathrm{43}}^1\times {\mathrm{1879}}^1$

素因数の和:1938

約数の個数: 36

約数和(自身を含む): 42269920

約数和(自身を除く): 21585888

約数列:

[1, 2, 4, 8, 16, 32, 43, 64, 86, 128, 172, 256, 344, 688, 1376, 1879, 2752, 3758, 5504, 7516, 11008, 15032, 30064, 60128, 80797, 120256, 161594, 240512, 323188, 481024, 646376, 1292752, 2585504, 5171008, 10342016, 20684032]

約数ペア:

[(1, 20684032), (2, 10342016), (4, 5171008), (8, 2585504), (16, 1292752), (32, 646376), (43, 481024), (64, 323188), (86, 240512), (128, 161594), (172, 120256), (256, 80797), (344, 60128), (688, 30064), (1376, 15032), (1879, 11008), (2752, 7516), (3758, 5504)]