20562815

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{1051}}^1$

素因数の和:1119

約数の個数: 32

約数和(自身を含む): 31105536

約数和(自身を除く): 10542721

約数列:

[1, 5, 7, 13, 35, 43, 65, 91, 215, 301, 455, 559, 1051, 1505, 2795, 3913, 5255, 7357, 13663, 19565, 36785, 45193, 68315, 95641, 225965, 316351, 478205, 587509, 1581755, 2937545, 4112563, 20562815]

約数ペア:

[(1, 20562815), (5, 4112563), (7, 2937545), (13, 1581755), (35, 587509), (43, 478205), (65, 316351), (91, 225965), (215, 95641), (301, 68315), (455, 45193), (559, 36785), (1051, 19565), (1505, 13663), (2795, 7357), (3913, 5255)]