20022820

素因数分解:

$2^2\times 5^1\times {\mathrm{127}}^1\times {\mathrm{7883}}^1$

素因数の和:8019

約数の個数: 24

約数和(自身を含む): 42384384

約数和(自身を除く): 22361564

約数列:

[1, 2, 4, 5, 10, 20, 127, 254, 508, 635, 1270, 2540, 7883, 15766, 31532, 39415, 78830, 157660, 1001141, 2002282, 4004564, 5005705, 10011410, 20022820]

約数ペア:

[(1, 20022820), (2, 10011410), (4, 5005705), (5, 4004564), (10, 2002282), (20, 1001141), (127, 157660), (254, 78830), (508, 39415), (635, 31532), (1270, 15766), (2540, 7883)]