20489936

素因数分解:

$2^4\times {\mathrm{89}}^1\times {\mathrm{14389}}^1$

素因数の和:14486

約数の個数: 20

約数和(自身を含む): 40148100

約数和(自身を除く): 19658164

約数列:

[1, 2, 4, 8, 16, 89, 178, 356, 712, 1424, 14389, 28778, 57556, 115112, 230224, 1280621, 2561242, 5122484, 10244968, 20489936]

約数ペア:

[(1, 20489936), (2, 10244968), (4, 5122484), (8, 2561242), (16, 1280621), (89, 230224), (178, 115112), (356, 57556), (712, 28778), (1424, 14389)]