20203456

素因数分解:

$2^6\times 7^1\times {\mathrm{13}}^1\times {\mathrm{3469}}^1$

素因数の和:3501

約数の個数: 56

約数和(自身を含む): 49357280

約数和(自身を除く): 29153824

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 32, 52, 56, 64, 91, 104, 112, 182, 208, 224, 364, 416, 448, 728, 832, 1456, 2912, 3469, 5824, 6938, 13876, 24283, 27752, 45097, 48566, 55504, 90194, 97132, 111008, 180388, 194264, 222016, 315679, 360776, 388528, 631358, 721552, 777056, 1262716, 1443104, 1554112, 2525432, 2886208, 5050864, 10101728, 20203456]

約数ペア:

[(1, 20203456), (2, 10101728), (4, 5050864), (7, 2886208), (8, 2525432), (13, 1554112), (14, 1443104), (16, 1262716), (26, 777056), (28, 721552), (32, 631358), (52, 388528), (56, 360776), (64, 315679), (91, 222016), (104, 194264), (112, 180388), (182, 111008), (208, 97132), (224, 90194), (364, 55504), (416, 48566), (448, 45097), (728, 27752), (832, 24283), (1456, 13876), (2912, 6938), (3469, 5824)]