20307952

素因数分解:

$2^4\times 7^2\times {\mathrm{25903}}^1$

素因数の和:25925

約数の個数: 30

約数和(自身を含む): 45772368

約数和(自身を除く): 25464416

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 49, 56, 98, 112, 196, 392, 784, 25903, 51806, 103612, 181321, 207224, 362642, 414448, 725284, 1269247, 1450568, 2538494, 2901136, 5076988, 10153976, 20307952]

約数ペア:

[(1, 20307952), (2, 10153976), (4, 5076988), (7, 2901136), (8, 2538494), (14, 1450568), (16, 1269247), (28, 725284), (49, 414448), (56, 362642), (98, 207224), (112, 181321), (196, 103612), (392, 51806), (784, 25903)]