20828824134

素因数分解:

$2^1\times 3^1\times {\mathrm{73}}^1\times {\mathrm{149}}^1\times {\mathrm{179}}^1\times {\mathrm{1783}}^1$

素因数の和:2189

約数の個数: 64

約数和(自身を含む): 42773184000

約数和(自身を除く): 21944359866

約数列:

[1, 2, 3, 6, 73, 146, 149, 179, 219, 298, 358, 438, 447, 537, 894, 1074, 1783, 3566, 5349, 10698, 10877, 13067, 21754, 26134, 26671, 32631, 39201, 53342, 65262, 78402, 80013, 130159, 160026, 260318, 265667, 319157, 390477, 531334, 638314, 780954, 797001, 957471, 1594002, 1914942, 1946983, 3893966, 5840949, 11681898, 19393691, 23298461, 38787382, 46596922, 47554393, 58181073, 69895383, 95108786, 116362146, 139790766, 142663179, 285326358, 3471470689, 6942941378, 10414412067, 20828824134]

約数ペア:

[(1, 20828824134), (2, 10414412067), (3, 6942941378), (6, 3471470689), (73, 285326358), (146, 142663179), (149, 139790766), (179, 116362146), (219, 95108786), (298, 69895383), (358, 58181073), (438, 47554393), (447, 46596922), (537, 38787382), (894, 23298461), (1074, 19393691), (1783, 11681898), (3566, 5840949), (5349, 3893966), (10698, 1946983), (10877, 1914942), (13067, 1594002), (21754, 957471), (26134, 797001), (26671, 780954), (32631, 638314), (39201, 531334), (53342, 390477), (65262, 319157), (78402, 265667), (80013, 260318), (130159, 160026)]