20709752

素因数分解:

$2^3\times 7^2\times {\mathrm{23}}^1\times {\mathrm{2297}}^1$

素因数の和:2340

約数の個数: 48

約数和(自身を含む): 47154960

約数和(自身を除く): 26445208

約数列:

[1, 2, 4, 7, 8, 14, 23, 28, 46, 49, 56, 92, 98, 161, 184, 196, 322, 392, 644, 1127, 1288, 2254, 2297, 4508, 4594, 9016, 9188, 16079, 18376, 32158, 52831, 64316, 105662, 112553, 128632, 211324, 225106, 369817, 422648, 450212, 739634, 900424, 1479268, 2588719, 2958536, 5177438, 10354876, 20709752]

約数ペア:

[(1, 20709752), (2, 10354876), (4, 5177438), (7, 2958536), (8, 2588719), (14, 1479268), (23, 900424), (28, 739634), (46, 450212), (49, 422648), (56, 369817), (92, 225106), (98, 211324), (161, 128632), (184, 112553), (196, 105662), (322, 64316), (392, 52831), (644, 32158), (1127, 18376), (1288, 16079), (2254, 9188), (2297, 9016), (4508, 4594)]