20203701

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^2\times {\mathrm{3329}}^1$

素因数の和:3373

約数の個数: 24

約数和(自身を含む): 32713920

約数和(自身を除く): 12510219

約数列:

[1, 3, 7, 17, 21, 51, 119, 289, 357, 867, 2023, 3329, 6069, 9987, 23303, 56593, 69909, 169779, 396151, 962081, 1188453, 2886243, 6734567, 20203701]

約数ペア:

[(1, 20203701), (3, 6734567), (7, 2886243), (17, 1188453), (21, 962081), (51, 396151), (119, 169779), (289, 69909), (357, 56593), (867, 23303), (2023, 9987), (3329, 6069)]