20440948

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{137}}^1\times {\mathrm{3391}}^1$

素因数の和:3543

約数の個数: 24

約数和(自身を含む): 39320064

約数和(自身を除く): 18879116

約数列:

[1, 2, 4, 11, 22, 44, 137, 274, 548, 1507, 3014, 3391, 6028, 6782, 13564, 37301, 74602, 149204, 464567, 929134, 1858268, 5110237, 10220474, 20440948]

約数ペア:

[(1, 20440948), (2, 10220474), (4, 5110237), (11, 1858268), (22, 929134), (44, 464567), (137, 149204), (274, 74602), (548, 37301), (1507, 13564), (3014, 6782), (3391, 6028)]