20252043

素因数分解:

$3^2\times 7^2\times {\mathrm{19}}^1\times {\mathrm{2417}}^1$

素因数の和:2456

約数の個数: 36

約数和(自身を含む): 35834760

約数和(自身を除く): 15582717

約数列:

[1, 3, 7, 9, 19, 21, 49, 57, 63, 133, 147, 171, 399, 441, 931, 1197, 2417, 2793, 7251, 8379, 16919, 21753, 45923, 50757, 118433, 137769, 152271, 321461, 355299, 413307, 964383, 1065897, 2250227, 2893149, 6750681, 20252043]

約数ペア:

[(1, 20252043), (3, 6750681), (7, 2893149), (9, 2250227), (19, 1065897), (21, 964383), (49, 413307), (57, 355299), (63, 321461), (133, 152271), (147, 137769), (171, 118433), (399, 50757), (441, 45923), (931, 21753), (1197, 16919), (2417, 8379), (2793, 7251)]