20248151

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{4457}}^1$

素因数の和:4534

約数の個数: 16

約数和(自身を含む): 25678080

約数和(自身を除く): 5429929

約数列:

[1, 7, 11, 59, 77, 413, 649, 4457, 4543, 31199, 49027, 262963, 343189, 1840741, 2892593, 20248151]

約数ペア:

[(1, 20248151), (7, 2892593), (11, 1840741), (59, 343189), (77, 262963), (413, 49027), (649, 31199), (4457, 4543)]