20990388

素因数分解:

$2^2\times 3^1\times {\mathrm{47}}^1\times {\mathrm{37217}}^1$

素因数の和:37271

約数の個数: 24

約数和(自身を含む): 50020992

約数和(自身を除く): 29030604

約数列:

[1, 2, 3, 4, 6, 12, 47, 94, 141, 188, 282, 564, 37217, 74434, 111651, 148868, 223302, 446604, 1749199, 3498398, 5247597, 6996796, 10495194, 20990388]

約数ペア:

[(1, 20990388), (2, 10495194), (3, 6996796), (4, 5247597), (6, 3498398), (12, 1749199), (47, 446604), (94, 223302), (141, 148868), (188, 111651), (282, 74434), (564, 37217)]