20130768128

素因数分解:

$2^8\times {\mathrm{19}}^1\times {\mathrm{1297}}^1\times {\mathrm{3191}}^1$

素因数の和:4523

約数の個数: 72

約数和(自身を含む): 42343667520

約数和(自身を除く): 22212899392

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 64, 76, 128, 152, 256, 304, 608, 1216, 1297, 2432, 2594, 3191, 4864, 5188, 6382, 10376, 12764, 20752, 24643, 25528, 41504, 49286, 51056, 60629, 83008, 98572, 102112, 121258, 166016, 197144, 204224, 242516, 332032, 394288, 408448, 485032, 788576, 816896, 970064, 1577152, 1940128, 3154304, 3880256, 4138727, 6308608, 7760512, 8277454, 15521024, 16554908, 33109816, 66219632, 78635813, 132439264, 157271626, 264878528, 314543252, 529757056, 629086504, 1059514112, 1258173008, 2516346016, 5032692032, 10065384064, 20130768128]

約数ペア:

[(1, 20130768128), (2, 10065384064), (4, 5032692032), (8, 2516346016), (16, 1258173008), (19, 1059514112), (32, 629086504), (38, 529757056), (64, 314543252), (76, 264878528), (128, 157271626), (152, 132439264), (256, 78635813), (304, 66219632), (608, 33109816), (1216, 16554908), (1297, 15521024), (2432, 8277454), (2594, 7760512), (3191, 6308608), (4864, 4138727), (5188, 3880256), (6382, 3154304), (10376, 1940128), (12764, 1577152), (20752, 970064), (24643, 816896), (25528, 788576), (41504, 485032), (49286, 408448), (51056, 394288), (60629, 332032), (83008, 242516), (98572, 204224), (102112, 197144), (121258, 166016)]