20831524

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{39157}}^1$

素因数の和:39187

約数の個数: 24

約数和(自身を含む): 43856960

約数和(自身を除く): 23025436

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 76, 133, 266, 532, 39157, 78314, 156628, 274099, 548198, 743983, 1096396, 1487966, 2975932, 5207881, 10415762, 20831524]

約数ペア:

[(1, 20831524), (2, 10415762), (4, 5207881), (7, 2975932), (14, 1487966), (19, 1096396), (28, 743983), (38, 548198), (76, 274099), (133, 156628), (266, 78314), (532, 39157)]