20946401

素因数分解:

$7^1\times {\mathrm{73}}^1\times {\mathrm{179}}^1\times {\mathrm{229}}^1$

素因数の和:488

約数の個数: 16

約数和(自身を含む): 24508800

約数和(自身を除く): 3562399

約数列:

[1, 7, 73, 179, 229, 511, 1253, 1603, 13067, 16717, 40991, 91469, 117019, 286937, 2992343, 20946401]

約数ペア:

[(1, 20946401), (7, 2992343), (73, 286937), (179, 117019), (229, 91469), (511, 40991), (1253, 16717), (1603, 13067)]