20775447

素因数分解:

$3^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{3331}}^1$

素因数の和:3361

約数の個数: 40

約数和(自身を含む): 38704512

約数和(自身を除く): 17929065

約数列:

[1, 3, 7, 9, 11, 21, 27, 33, 63, 77, 81, 99, 189, 231, 297, 567, 693, 891, 2079, 3331, 6237, 9993, 23317, 29979, 36641, 69951, 89937, 109923, 209853, 256487, 269811, 329769, 629559, 769461, 989307, 1888677, 2308383, 2967921, 6925149, 20775447]

約数ペア:

[(1, 20775447), (3, 6925149), (7, 2967921), (9, 2308383), (11, 1888677), (21, 989307), (27, 769461), (33, 629559), (63, 329769), (77, 269811), (81, 256487), (99, 209853), (189, 109923), (231, 89937), (297, 69951), (567, 36641), (693, 29979), (891, 23317), (2079, 9993), (3331, 6237)]