20573732320

素因数分解:

$2^5\times 5^1\times {\mathrm{101}}^1\times {\mathrm{1273127}}^1$

素因数の和:1273243

約数の個数: 48

約数和(自身を含む): 49086723168

約数和(自身を除く): 28512990848

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 101, 160, 202, 404, 505, 808, 1010, 1616, 2020, 3232, 4040, 8080, 16160, 1273127, 2546254, 5092508, 6365635, 10185016, 12731270, 20370032, 25462540, 40740064, 50925080, 101850160, 128585827, 203700320, 257171654, 514343308, 642929135, 1028686616, 1285858270, 2057373232, 2571716540, 4114746464, 5143433080, 10286866160, 20573732320]

約数ペア:

[(1, 20573732320), (2, 10286866160), (4, 5143433080), (5, 4114746464), (8, 2571716540), (10, 2057373232), (16, 1285858270), (20, 1028686616), (32, 642929135), (40, 514343308), (80, 257171654), (101, 203700320), (160, 128585827), (202, 101850160), (404, 50925080), (505, 40740064), (808, 25462540), (1010, 20370032), (1616, 12731270), (2020, 10185016), (3232, 6365635), (4040, 5092508), (8080, 2546254), (16160, 1273127)]