12687020

素因数分解:

$2^2\times 5^1\times {\mathrm{151}}^1\times {\mathrm{4201}}^1$

素因数の和:4361

約数の個数: 24

約数和(自身を含む): 26825568

約数和(自身を除く): 14138548

約数列:

[1, 2, 4, 5, 10, 20, 151, 302, 604, 755, 1510, 3020, 4201, 8402, 16804, 21005, 42010, 84020, 634351, 1268702, 2537404, 3171755, 6343510, 12687020]

約数ペア:

[(1, 12687020), (2, 6343510), (4, 3171755), (5, 2537404), (10, 1268702), (20, 634351), (151, 84020), (302, 42010), (604, 21005), (755, 16804), (1510, 8402), (3020, 4201)]