20950083

素因数分解:

$3^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{3359}}^1$

素因数の和:3389

約数の個数: 40

約数和(自身を含む): 39029760

約数和(自身を除く): 18079677

約数列:

[1, 3, 7, 9, 11, 21, 27, 33, 63, 77, 81, 99, 189, 231, 297, 567, 693, 891, 2079, 3359, 6237, 10077, 23513, 30231, 36949, 70539, 90693, 110847, 211617, 258643, 272079, 332541, 634851, 775929, 997623, 1904553, 2327787, 2992869, 6983361, 20950083]

約数ペア:

[(1, 20950083), (3, 6983361), (7, 2992869), (9, 2327787), (11, 1904553), (21, 997623), (27, 775929), (33, 634851), (63, 332541), (77, 272079), (81, 258643), (99, 211617), (189, 110847), (231, 90693), (297, 70539), (567, 36949), (693, 30231), (891, 23513), (2079, 10077), (3359, 6237)]