20258511

素因数分解:

$3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{10601}}^1$

素因数の和:10631

約数の個数: 24

約数和(自身を含む): 33841584

約数和(自身を除く): 13583073

約数列:

[1, 3, 7, 13, 21, 39, 49, 91, 147, 273, 637, 1911, 10601, 31803, 74207, 137813, 222621, 413439, 519449, 964691, 1558347, 2894073, 6752837, 20258511]

約数ペア:

[(1, 20258511), (3, 6752837), (7, 2894073), (13, 1558347), (21, 964691), (39, 519449), (49, 413439), (91, 222621), (147, 137813), (273, 74207), (637, 31803), (1911, 10601)]