20802530

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{15641}}^1$

素因数の和:15674

約数の個数: 32

約数和(自身を含む): 45048960

約数和(自身を除く): 24246430

約数列:

[1, 2, 5, 7, 10, 14, 19, 35, 38, 70, 95, 133, 190, 266, 665, 1330, 15641, 31282, 78205, 109487, 156410, 218974, 297179, 547435, 594358, 1094870, 1485895, 2080253, 2971790, 4160506, 10401265, 20802530]

約数ペア:

[(1, 20802530), (2, 10401265), (5, 4160506), (7, 2971790), (10, 2080253), (14, 1485895), (19, 1094870), (35, 594358), (38, 547435), (70, 297179), (95, 218974), (133, 156410), (190, 109487), (266, 78205), (665, 31282), (1330, 15641)]