201920131

素因数分解:

$7^2\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{2039}}^1$

素因数の和:2143

約数の個数: 24

約数和(自身を含む): 245583360

約数和(自身を除く): 43663229

約数列:

[1, 7, 43, 47, 49, 301, 329, 2021, 2039, 2107, 2303, 14147, 14273, 87677, 95833, 99029, 99911, 613739, 670831, 4120819, 4296173, 4695817, 28845733, 201920131]

約数ペア:

[(1, 201920131), (7, 28845733), (43, 4695817), (47, 4296173), (49, 4120819), (301, 670831), (329, 613739), (2021, 99911), (2039, 99029), (2107, 95833), (2303, 87677), (14147, 14273)]