20122976

素因数分解:

$2^5\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{1439}}^1$

素因数の和:1491

約数の個数: 48

約数和(自身を含む): 43545600

約数和(自身を除く): 23422624

約数列:

[1, 2, 4, 8, 16, 19, 23, 32, 38, 46, 76, 92, 152, 184, 304, 368, 437, 608, 736, 874, 1439, 1748, 2878, 3496, 5756, 6992, 11512, 13984, 23024, 27341, 33097, 46048, 54682, 66194, 109364, 132388, 218728, 264776, 437456, 529552, 628843, 874912, 1059104, 1257686, 2515372, 5030744, 10061488, 20122976]

約数ペア:

[(1, 20122976), (2, 10061488), (4, 5030744), (8, 2515372), (16, 1257686), (19, 1059104), (23, 874912), (32, 628843), (38, 529552), (46, 437456), (76, 264776), (92, 218728), (152, 132388), (184, 109364), (304, 66194), (368, 54682), (437, 46048), (608, 33097), (736, 27341), (874, 23024), (1439, 13984), (1748, 11512), (2878, 6992), (3496, 5756)]