20583321

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{577}}^1$

素因数の和:661

約数の個数: 32

約数和(自身を含む): 31961088

約数和(自身を除く): 11377767

約数列:

[1, 3, 11, 23, 33, 47, 69, 141, 253, 517, 577, 759, 1081, 1551, 1731, 3243, 6347, 11891, 13271, 19041, 27119, 35673, 39813, 81357, 145981, 298309, 437943, 623737, 894927, 1871211, 6861107, 20583321]

約数ペア:

[(1, 20583321), (3, 6861107), (11, 1871211), (23, 894927), (33, 623737), (47, 437943), (69, 298309), (141, 145981), (253, 81357), (517, 39813), (577, 35673), (759, 27119), (1081, 19041), (1551, 13271), (1731, 11891), (3243, 6347)]