20196392

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{109}}^1$

素因数の和:210

約数の個数: 64

約数和(自身を含む): 42768000

約数和(自身を除く): 22571608

約数列:

[1, 2, 4, 8, 19, 23, 38, 46, 53, 76, 92, 106, 109, 152, 184, 212, 218, 424, 436, 437, 872, 874, 1007, 1219, 1748, 2014, 2071, 2438, 2507, 3496, 4028, 4142, 4876, 5014, 5777, 8056, 8284, 9752, 10028, 11554, 16568, 20056, 23108, 23161, 46216, 46322, 47633, 92644, 95266, 109763, 132871, 185288, 190532, 219526, 265742, 381064, 439052, 531484, 878104, 1062968, 2524549, 5049098, 10098196, 20196392]

約数ペア:

[(1, 20196392), (2, 10098196), (4, 5049098), (8, 2524549), (19, 1062968), (23, 878104), (38, 531484), (46, 439052), (53, 381064), (76, 265742), (92, 219526), (106, 190532), (109, 185288), (152, 132871), (184, 109763), (212, 95266), (218, 92644), (424, 47633), (436, 46322), (437, 46216), (872, 23161), (874, 23108), (1007, 20056), (1219, 16568), (1748, 11554), (2014, 10028), (2071, 9752), (2438, 8284), (2507, 8056), (3496, 5777), (4028, 5014), (4142, 4876)]