20672057

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{3307}}^1$

素因数の和:3380

約数の個数: 16

約数和(自身を含む): 25405440

約数和(自身を除く): 4733383

約数列:

[1, 7, 19, 47, 133, 329, 893, 3307, 6251, 23149, 62833, 155429, 439831, 1088003, 2953151, 20672057]

約数ペア:

[(1, 20672057), (7, 2953151), (19, 1088003), (47, 439831), (133, 155429), (329, 62833), (893, 23149), (3307, 6251)]