20830270

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{6449}}^1$

素因数の和:6492

約数の個数: 32

約数和(自身を含む): 41796000

約数和(自身を除く): 20965730

約数列:

[1, 2, 5, 10, 17, 19, 34, 38, 85, 95, 170, 190, 323, 646, 1615, 3230, 6449, 12898, 32245, 64490, 109633, 122531, 219266, 245062, 548165, 612655, 1096330, 1225310, 2083027, 4166054, 10415135, 20830270]

約数ペア:

[(1, 20830270), (2, 10415135), (5, 4166054), (10, 2083027), (17, 1225310), (19, 1096330), (34, 612655), (38, 548165), (85, 245062), (95, 219266), (170, 122531), (190, 109633), (323, 64490), (646, 32245), (1615, 12898), (3230, 6449)]