20871302428

素因数分解:

$2^2\times {\mathrm{127}}^1\times {\mathrm{41085241}}^1$

素因数の和:41085372

約数の個数: 12

約数和(自身を含む): 36812376832

約数和(自身を除く): 15941074404

約数列:

[1, 2, 4, 127, 254, 508, 41085241, 82170482, 164340964, 5217825607, 10435651214, 20871302428]

約数ペア:

[(1, 20871302428), (2, 10435651214), (4, 5217825607), (127, 164340964), (254, 82170482), (508, 41085241)]