20654704

素因数分解:

$2^4\times 7^1\times {\mathrm{184417}}^1$

素因数の和:184432

約数の個数: 20

約数和(自身を含む): 45735664

約数和(自身を除く): 25080960

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 184417, 368834, 737668, 1290919, 1475336, 2581838, 2950672, 5163676, 10327352, 20654704]

約数ペア:

[(1, 20654704), (2, 10327352), (4, 5163676), (7, 2950672), (8, 2581838), (14, 1475336), (16, 1290919), (28, 737668), (56, 368834), (112, 184417)]