20972508

素因数分解:

$2^2\times 3^1\times {\mathrm{137}}^1\times {\mathrm{12757}}^1$

素因数の和:12901

約数の個数: 24

約数和(自身を含む): 49296912

約数和(自身を除く): 28324404

約数列:

[1, 2, 3, 4, 6, 12, 137, 274, 411, 548, 822, 1644, 12757, 25514, 38271, 51028, 76542, 153084, 1747709, 3495418, 5243127, 6990836, 10486254, 20972508]

約数ペア:

[(1, 20972508), (2, 10486254), (3, 6990836), (4, 5243127), (6, 3495418), (12, 1747709), (137, 153084), (274, 76542), (411, 51028), (548, 38271), (822, 25514), (1644, 12757)]