20201988

素因数分解:

$2^2\times 3^1\times {\mathrm{151}}^1\times {\mathrm{11149}}^1$

素因数の和:11307

約数の個数: 24

約数和(自身を含む): 47454400

約数和(自身を除く): 27252412

約数列:

[1, 2, 3, 4, 6, 12, 151, 302, 453, 604, 906, 1812, 11149, 22298, 33447, 44596, 66894, 133788, 1683499, 3366998, 5050497, 6733996, 10100994, 20201988]

約数ペア:

[(1, 20201988), (2, 10100994), (3, 6733996), (4, 5050497), (6, 3366998), (12, 1683499), (151, 133788), (302, 66894), (453, 44596), (604, 33447), (906, 22298), (1812, 11149)]