20256554840

素因数分解:

$2^3\times 5^1\times {\mathrm{506413871}}^1$

素因数の和:506413882

約数の個数: 16

約数和(自身を含む): 45577248480

約数和(自身を除く): 25320693640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 506413871, 1012827742, 2025655484, 2532069355, 4051310968, 5064138710, 10128277420, 20256554840]

約数ペア:

[(1, 20256554840), (2, 10128277420), (4, 5064138710), (5, 4051310968), (8, 2532069355), (10, 2025655484), (20, 1012827742), (40, 506413871)]