20378223

素因数分解:

$3^5\times {\mathrm{17}}^1\times {\mathrm{4933}}^1$

素因数の和:4965

約数の個数: 24

約数和(自身を含む): 32327568

約数和(自身を除く): 11949345

約数列:

[1, 3, 9, 17, 27, 51, 81, 153, 243, 459, 1377, 4131, 4933, 14799, 44397, 83861, 133191, 251583, 399573, 754749, 1198719, 2264247, 6792741, 20378223]

約数ペア:

[(1, 20378223), (3, 6792741), (9, 2264247), (17, 1198719), (27, 754749), (51, 399573), (81, 251583), (153, 133191), (243, 83861), (459, 44397), (1377, 14799), (4131, 4933)]