20750420

素因数分解:

$2^2\times 5^1\times {\mathrm{151}}^1\times {\mathrm{6871}}^1$

素因数の和:7031

約数の個数: 24

約数和(自身を含む): 43870848

約数和(自身を除く): 23120428

約数列:

[1, 2, 4, 5, 10, 20, 151, 302, 604, 755, 1510, 3020, 6871, 13742, 27484, 34355, 68710, 137420, 1037521, 2075042, 4150084, 5187605, 10375210, 20750420]

約数ペア:

[(1, 20750420), (2, 10375210), (4, 5187605), (5, 4150084), (10, 2075042), (20, 1037521), (151, 137420), (302, 68710), (604, 34355), (755, 27484), (1510, 13742), (3020, 6871)]