20364472576

素因数分解:

$2^8\times 7^1\times {\mathrm{2287}}^1\times {\mathrm{4969}}^1$

素因数の和:7279

約数の個数: 72

約数和(自身を含む): 46486119680

約数和(自身を除く): 26121647104

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 224, 256, 448, 896, 1792, 2287, 4574, 4969, 9148, 9938, 16009, 18296, 19876, 32018, 34783, 36592, 39752, 64036, 69566, 73184, 79504, 128072, 139132, 146368, 159008, 256144, 278264, 292736, 318016, 512288, 556528, 585472, 636032, 1024576, 1113056, 1272064, 2049152, 2226112, 4098304, 4452224, 8904448, 11364103, 22728206, 45456412, 79548721, 90912824, 159097442, 181825648, 318194884, 363651296, 636389768, 727302592, 1272779536, 1454605184, 2545559072, 2909210368, 5091118144, 10182236288, 20364472576]

約数ペア:

[(1, 20364472576), (2, 10182236288), (4, 5091118144), (7, 2909210368), (8, 2545559072), (14, 1454605184), (16, 1272779536), (28, 727302592), (32, 636389768), (56, 363651296), (64, 318194884), (112, 181825648), (128, 159097442), (224, 90912824), (256, 79548721), (448, 45456412), (896, 22728206), (1792, 11364103), (2287, 8904448), (4574, 4452224), (4969, 4098304), (9148, 2226112), (9938, 2049152), (16009, 1272064), (18296, 1113056), (19876, 1024576), (32018, 636032), (34783, 585472), (36592, 556528), (39752, 512288), (64036, 318016), (69566, 292736), (73184, 278264), (79504, 256144), (128072, 159008), (139132, 146368)]