20673159

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{1213}}^1$

素因数の和:1271

約数の個数: 32

約数和(自身を含む): 32632320

約数和(自身を除く): 11959161

約数列:

[1, 3, 13, 19, 23, 39, 57, 69, 247, 299, 437, 741, 897, 1213, 1311, 3639, 5681, 15769, 17043, 23047, 27899, 47307, 69141, 83697, 299611, 362687, 530081, 898833, 1088061, 1590243, 6891053, 20673159]

約数ペア:

[(1, 20673159), (3, 6891053), (13, 1590243), (19, 1088061), (23, 898833), (39, 530081), (57, 362687), (69, 299611), (247, 83697), (299, 69141), (437, 47307), (741, 27899), (897, 23047), (1213, 17043), (1311, 15769), (3639, 5681)]