20201006176

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{665207}}^1$

素因数の和:665303

約数の個数: 48

約数和(自身を含む): 43416795744

約数和(自身を除く): 23215789568

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 73, 104, 146, 208, 292, 416, 584, 949, 1168, 1898, 2336, 3796, 7592, 15184, 30368, 665207, 1330414, 2660828, 5321656, 8647691, 10643312, 17295382, 21286624, 34590764, 48560111, 69181528, 97120222, 138363056, 194240444, 276726112, 388480888, 631281443, 776961776, 1262562886, 1553923552, 2525125772, 5050251544, 10100503088, 20201006176]

約数ペア:

[(1, 20201006176), (2, 10100503088), (4, 5050251544), (8, 2525125772), (13, 1553923552), (16, 1262562886), (26, 776961776), (32, 631281443), (52, 388480888), (73, 276726112), (104, 194240444), (146, 138363056), (208, 97120222), (292, 69181528), (416, 48560111), (584, 34590764), (949, 21286624), (1168, 17295382), (1898, 10643312), (2336, 8647691), (3796, 5321656), (7592, 2660828), (15184, 1330414), (30368, 665207)]