20982894

素因数分解:

$2^1\times 3^1\times {\mathrm{313}}^1\times {\mathrm{11173}}^1$

素因数の和:11491

約数の個数: 16

約数和(自身を含む): 42103632

約数和(自身を除く): 21120738

約数列:

[1, 2, 3, 6, 313, 626, 939, 1878, 11173, 22346, 33519, 67038, 3497149, 6994298, 10491447, 20982894]

約数ペア:

[(1, 20982894), (2, 10491447), (3, 6994298), (6, 3497149), (313, 67038), (626, 33519), (939, 22346), (1878, 11173)]