20642048

素因数分解:

$2^8\times 7^1\times {\mathrm{11519}}^1$

素因数の和:11542

約数の個数: 36

約数和(自身を含む): 47093760

約数和(自身を除く): 26451712

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 224, 256, 448, 896, 1792, 11519, 23038, 46076, 80633, 92152, 161266, 184304, 322532, 368608, 645064, 737216, 1290128, 1474432, 2580256, 2948864, 5160512, 10321024, 20642048]

約数ペア:

[(1, 20642048), (2, 10321024), (4, 5160512), (7, 2948864), (8, 2580256), (14, 1474432), (16, 1290128), (28, 737216), (32, 645064), (56, 368608), (64, 322532), (112, 184304), (128, 161266), (224, 92152), (256, 80633), (448, 46076), (896, 23038), (1792, 11519)]