20174780

素因数分解:

$2^2\times 5^1\times {\mathrm{701}}^1\times {\mathrm{1439}}^1$

素因数の和:2149

約数の個数: 24

約数和(自身を含む): 42456960

約数和(自身を除く): 22282180

約数列:

[1, 2, 4, 5, 10, 20, 701, 1402, 1439, 2804, 2878, 3505, 5756, 7010, 7195, 14020, 14390, 28780, 1008739, 2017478, 4034956, 5043695, 10087390, 20174780]

約数ペア:

[(1, 20174780), (2, 10087390), (4, 5043695), (5, 4034956), (10, 2017478), (20, 1008739), (701, 28780), (1402, 14390), (1439, 14020), (2804, 7195), (2878, 7010), (3505, 5756)]