20994694

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^2\times {\mathrm{5189}}^1$

素因数の和:5232

約数の個数: 24

約数和(自身を含む): 38239920

約数和(自身を除く): 17245226

約数列:

[1, 2, 7, 14, 17, 34, 119, 238, 289, 578, 2023, 4046, 5189, 10378, 36323, 72646, 88213, 176426, 617491, 1234982, 1499621, 2999242, 10497347, 20994694]

約数ペア:

[(1, 20994694), (2, 10497347), (7, 2999242), (14, 1499621), (17, 1234982), (34, 617491), (119, 176426), (238, 88213), (289, 72646), (578, 36323), (2023, 10378), (4046, 5189)]