20488552

素因数分解:

$2^3\times 7^1\times {\mathrm{569}}^1\times {\mathrm{643}}^1$

素因数の和:1225

約数の個数: 32

約数和(自身を含む): 44049600

約数和(自身を除く): 23561048

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 569, 643, 1138, 1286, 2276, 2572, 3983, 4501, 4552, 5144, 7966, 9002, 15932, 18004, 31864, 36008, 365867, 731734, 1463468, 2561069, 2926936, 5122138, 10244276, 20488552]

約数ペア:

[(1, 20488552), (2, 10244276), (4, 5122138), (7, 2926936), (8, 2561069), (14, 1463468), (28, 731734), (56, 365867), (569, 36008), (643, 31864), (1138, 18004), (1286, 15932), (2276, 9002), (2572, 7966), (3983, 5144), (4501, 4552)]