20937536

素因数分解:

$2^6\times {\mathrm{29}}^2\times {\mathrm{389}}^1$

素因数の和:459

約数の個数: 42

約数和(自身を含む): 43140630

約数和(自身を除く): 22203094

約数列:

[1, 2, 4, 8, 16, 29, 32, 58, 64, 116, 232, 389, 464, 778, 841, 928, 1556, 1682, 1856, 3112, 3364, 6224, 6728, 11281, 12448, 13456, 22562, 24896, 26912, 45124, 53824, 90248, 180496, 327149, 360992, 654298, 721984, 1308596, 2617192, 5234384, 10468768, 20937536]

約数ペア:

[(1, 20937536), (2, 10468768), (4, 5234384), (8, 2617192), (16, 1308596), (29, 721984), (32, 654298), (58, 360992), (64, 327149), (116, 180496), (232, 90248), (389, 53824), (464, 45124), (778, 26912), (841, 24896), (928, 22562), (1556, 13456), (1682, 12448), (1856, 11281), (3112, 6728), (3364, 6224)]