20296759

素因数分解:

$7^1\times {\mathrm{17}}^2\times {\mathrm{79}}^1\times {\mathrm{127}}^1$

素因数の和:247

約数の個数: 24

約数和(自身を含む): 25149440

約数和(自身を除く): 4852681

約数列:

[1, 7, 17, 79, 119, 127, 289, 553, 889, 1343, 2023, 2159, 9401, 10033, 15113, 22831, 36703, 70231, 159817, 170561, 256921, 1193927, 2899537, 20296759]

約数ペア:

[(1, 20296759), (7, 2899537), (17, 1193927), (79, 256921), (119, 170561), (127, 159817), (289, 70231), (553, 36703), (889, 22831), (1343, 15113), (2023, 10033), (2159, 9401)]