20815404

素因数分解:

$2^2\times 3^1\times {\mathrm{83}}^1\times {\mathrm{20899}}^1$

素因数の和:20989

約数の個数: 24

約数和(自身を含む): 49156800

約数和(自身を除く): 28341396

約数列:

[1, 2, 3, 4, 6, 12, 83, 166, 249, 332, 498, 996, 20899, 41798, 62697, 83596, 125394, 250788, 1734617, 3469234, 5203851, 6938468, 10407702, 20815404]

約数ペア:

[(1, 20815404), (2, 10407702), (3, 6938468), (4, 5203851), (6, 3469234), (12, 1734617), (83, 250788), (166, 125394), (249, 83596), (332, 62697), (498, 41798), (996, 20899)]