20874092

素因数分解:

$2^2\times {\mathrm{43}}^1\times {\mathrm{157}}^1\times {\mathrm{773}}^1$

素因数の和:977

約数の個数: 24

約数和(自身を含む): 37665936

約数和(自身を除く): 16791844

約数列:

[1, 2, 4, 43, 86, 157, 172, 314, 628, 773, 1546, 3092, 6751, 13502, 27004, 33239, 66478, 121361, 132956, 242722, 485444, 5218523, 10437046, 20874092]

約数ペア:

[(1, 20874092), (2, 10437046), (4, 5218523), (43, 485444), (86, 242722), (157, 132956), (172, 121361), (314, 66478), (628, 33239), (773, 27004), (1546, 13502), (3092, 6751)]