20512222112

素因数分解:

$2^5\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{293}}^1\times {\mathrm{1303}}^1$

素因数の和:1702

約数の個数: 96

約数和(自身を含む): 42895173888

約数和(自身を除く): 22382951776

約数列:

[1, 2, 4, 8, 16, 23, 32, 46, 73, 92, 146, 184, 292, 293, 368, 584, 586, 736, 1168, 1172, 1303, 1679, 2336, 2344, 2606, 3358, 4688, 5212, 6716, 6739, 9376, 10424, 13432, 13478, 20848, 21389, 26864, 26956, 29969, 41696, 42778, 53728, 53912, 59938, 85556, 95119, 107824, 119876, 171112, 190238, 215648, 239752, 342224, 380476, 381779, 479504, 491947, 684448, 760952, 763558, 959008, 983894, 1521904, 1527116, 1967788, 2187737, 3043808, 3054232, 3935576, 4375474, 6108464, 7871152, 8750948, 8780917, 12216928, 15742304, 17501896, 17561834, 27869867, 35003792, 35123668, 55739734, 70007584, 70247336, 111479468, 140494672, 222958936, 280989344, 445917872, 641006941, 891835744, 1282013882, 2564027764, 5128055528, 10256111056, 20512222112]

約数ペア:

[(1, 20512222112), (2, 10256111056), (4, 5128055528), (8, 2564027764), (16, 1282013882), (23, 891835744), (32, 641006941), (46, 445917872), (73, 280989344), (92, 222958936), (146, 140494672), (184, 111479468), (292, 70247336), (293, 70007584), (368, 55739734), (584, 35123668), (586, 35003792), (736, 27869867), (1168, 17561834), (1172, 17501896), (1303, 15742304), (1679, 12216928), (2336, 8780917), (2344, 8750948), (2606, 7871152), (3358, 6108464), (4688, 4375474), (5212, 3935576), (6716, 3054232), (6739, 3043808), (9376, 2187737), (10424, 1967788), (13432, 1527116), (13478, 1521904), (20848, 983894), (21389, 959008), (26864, 763558), (26956, 760952), (29969, 684448), (41696, 491947), (42778, 479504), (53728, 381779), (53912, 380476), (59938, 342224), (85556, 239752), (95119, 215648), (107824, 190238), (119876, 171112)]