20905356

素因数分解:

$2^2\times 3^1\times {\mathrm{523}}^1\times {\mathrm{3331}}^1$

素因数の和:3861

約数の個数: 24

約数和(自身を含む): 48887104

約数和(自身を除く): 27981748

約数列:

[1, 2, 3, 4, 6, 12, 523, 1046, 1569, 2092, 3138, 3331, 6276, 6662, 9993, 13324, 19986, 39972, 1742113, 3484226, 5226339, 6968452, 10452678, 20905356]

約数ペア:

[(1, 20905356), (2, 10452678), (3, 6968452), (4, 5226339), (6, 3484226), (12, 1742113), (523, 39972), (1046, 19986), (1569, 13324), (2092, 9993), (3138, 6662), (3331, 6276)]