20105704

素因数分解:

$2^3\times {\mathrm{109}}^1\times {\mathrm{23057}}^1$

素因数の和:23172

約数の個数: 16

約数和(自身を含む): 38045700

約数和(自身を除く): 17939996

約数列:

[1, 2, 4, 8, 109, 218, 436, 872, 23057, 46114, 92228, 184456, 2513213, 5026426, 10052852, 20105704]

約数ペア:

[(1, 20105704), (2, 10052852), (4, 5026426), (8, 2513213), (109, 184456), (218, 92228), (436, 46114), (872, 23057)]