20598800

素因数分解:

$2^4\times 5^2\times {\mathrm{23}}^1\times {\mathrm{2239}}^1$

素因数の和:2280

約数の個数: 60

約数和(自身を含む): 51663360

約数和(自身を除く): 31064560

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 25, 40, 46, 50, 80, 92, 100, 115, 184, 200, 230, 368, 400, 460, 575, 920, 1150, 1840, 2239, 2300, 4478, 4600, 8956, 9200, 11195, 17912, 22390, 35824, 44780, 51497, 55975, 89560, 102994, 111950, 179120, 205988, 223900, 257485, 411976, 447800, 514970, 823952, 895600, 1029940, 1287425, 2059880, 2574850, 4119760, 5149700, 10299400, 20598800]

約数ペア:

[(1, 20598800), (2, 10299400), (4, 5149700), (5, 4119760), (8, 2574850), (10, 2059880), (16, 1287425), (20, 1029940), (23, 895600), (25, 823952), (40, 514970), (46, 447800), (50, 411976), (80, 257485), (92, 223900), (100, 205988), (115, 179120), (184, 111950), (200, 102994), (230, 89560), (368, 55975), (400, 51497), (460, 44780), (575, 35824), (920, 22390), (1150, 17912), (1840, 11195), (2239, 9200), (2300, 8956), (4478, 4600)]