20730055

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{5189}}^1$

素因数の和:5258

約数の個数: 16

約数和(自身を含む): 26904960

約数和(自身を除く): 6174905

約数列:

[1, 5, 17, 47, 85, 235, 799, 3995, 5189, 25945, 88213, 243883, 441065, 1219415, 4146011, 20730055]

約数ペア:

[(1, 20730055), (5, 4146011), (17, 1219415), (47, 441065), (85, 243883), (235, 88213), (799, 25945), (3995, 5189)]