20452544

素因数分解:

$2^6\times 7^1\times {\mathrm{71}}^1\times {\mathrm{643}}^1$

素因数の和:733

約数の個数: 56

約数和(自身を含む): 47109888

約数和(自身を除く): 26657344

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 71, 112, 142, 224, 284, 448, 497, 568, 643, 994, 1136, 1286, 1988, 2272, 2572, 3976, 4501, 4544, 5144, 7952, 9002, 10288, 15904, 18004, 20576, 31808, 36008, 41152, 45653, 72016, 91306, 144032, 182612, 288064, 319571, 365224, 639142, 730448, 1278284, 1460896, 2556568, 2921792, 5113136, 10226272, 20452544]

約数ペア:

[(1, 20452544), (2, 10226272), (4, 5113136), (7, 2921792), (8, 2556568), (14, 1460896), (16, 1278284), (28, 730448), (32, 639142), (56, 365224), (64, 319571), (71, 288064), (112, 182612), (142, 144032), (224, 91306), (284, 72016), (448, 45653), (497, 41152), (568, 36008), (643, 31808), (994, 20576), (1136, 18004), (1286, 15904), (1988, 10288), (2272, 9002), (2572, 7952), (3976, 5144), (4501, 4544)]