20171868724

素因数分解:

$2^2\times 7^1\times {\mathrm{127}}^1\times {\mathrm{5672629}}^1$

素因数の和:5672767

約数の個数: 24

約数和(自身を含む): 40661411840

約数和(自身を除く): 20489543116

約数列:

[1, 2, 4, 7, 14, 28, 127, 254, 508, 889, 1778, 3556, 5672629, 11345258, 22690516, 39708403, 79416806, 158833612, 720423883, 1440847766, 2881695532, 5042967181, 10085934362, 20171868724]

約数ペア:

[(1, 20171868724), (2, 10085934362), (4, 5042967181), (7, 2881695532), (14, 1440847766), (28, 720423883), (127, 158833612), (254, 79416806), (508, 39708403), (889, 22690516), (1778, 11345258), (3556, 5672629)]