20682780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{101}}^1\times {\mathrm{3413}}^1$

素因数の和:3526

約数の個数: 48

約数和(自身を含む): 58502304

約数和(自身を除く): 37819524

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 101, 202, 303, 404, 505, 606, 1010, 1212, 1515, 2020, 3030, 3413, 6060, 6826, 10239, 13652, 17065, 20478, 34130, 40956, 51195, 68260, 102390, 204780, 344713, 689426, 1034139, 1378852, 1723565, 2068278, 3447130, 4136556, 5170695, 6894260, 10341390, 20682780]

約数ペア:

[(1, 20682780), (2, 10341390), (3, 6894260), (4, 5170695), (5, 4136556), (6, 3447130), (10, 2068278), (12, 1723565), (15, 1378852), (20, 1034139), (30, 689426), (60, 344713), (101, 204780), (202, 102390), (303, 68260), (404, 51195), (505, 40956), (606, 34130), (1010, 20478), (1212, 17065), (1515, 13652), (2020, 10239), (3030, 6826), (3413, 6060)]