20450948

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{23561}}^1$

素因数の和:23603

約数の個数: 24

約数和(自身を含む): 42223104

約数和(自身を除く): 21772156

約数列:

[1, 2, 4, 7, 14, 28, 31, 62, 124, 217, 434, 868, 23561, 47122, 94244, 164927, 329854, 659708, 730391, 1460782, 2921564, 5112737, 10225474, 20450948]

約数ペア:

[(1, 20450948), (2, 10225474), (4, 5112737), (7, 2921564), (14, 1460782), (28, 730391), (31, 659708), (62, 329854), (124, 164927), (217, 94244), (434, 47122), (868, 23561)]