20892116

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{43891}}^1$

素因数の和:43919

約数の個数: 24

約数和(自身を含む): 44243136

約数和(自身を除く): 23351020

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 68, 119, 238, 476, 43891, 87782, 175564, 307237, 614474, 746147, 1228948, 1492294, 2984588, 5223029, 10446058, 20892116]

約数ペア:

[(1, 20892116), (2, 10446058), (4, 5223029), (7, 2984588), (14, 1492294), (17, 1228948), (28, 746147), (34, 614474), (68, 307237), (119, 175564), (238, 87782), (476, 43891)]