20353792

素因数分解:

$2^8\times {\mathrm{43}}^3$

素因数の和:145

約数の個数: 36

約数和(自身を含む): 41595400

約数和(自身を除く): 21241608

約数列:

[1, 2, 4, 8, 16, 32, 43, 64, 86, 128, 172, 256, 344, 688, 1376, 1849, 2752, 3698, 5504, 7396, 11008, 14792, 29584, 59168, 79507, 118336, 159014, 236672, 318028, 473344, 636056, 1272112, 2544224, 5088448, 10176896, 20353792]

約数ペア:

[(1, 20353792), (2, 10176896), (4, 5088448), (8, 2544224), (16, 1272112), (32, 636056), (43, 473344), (64, 318028), (86, 236672), (128, 159014), (172, 118336), (256, 79507), (344, 59168), (688, 29584), (1376, 14792), (1849, 11008), (2752, 7396), (3698, 5504)]