20398252

素因数分解:

$2^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{25121}}^1$

素因数の和:25161

約数の個数: 24

約数和(自身を含む): 42204960

約数和(自身を除く): 21806708

約数列:

[1, 2, 4, 7, 14, 28, 29, 58, 116, 203, 406, 812, 25121, 50242, 100484, 175847, 351694, 703388, 728509, 1457018, 2914036, 5099563, 10199126, 20398252]

約数ペア:

[(1, 20398252), (2, 10199126), (4, 5099563), (7, 2914036), (14, 1457018), (28, 728509), (29, 703388), (58, 351694), (116, 175847), (203, 100484), (406, 50242), (812, 25121)]