20809789623

素因数分解:

$3^4\times 7^1\times {\mathrm{163}}^1\times {\mathrm{225163}}^1$

素因数の和:225345

約数の個数: 40

約数和(自身を含む): 35745235328

約数和(自身を除く): 14935445705

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 163, 189, 489, 567, 1141, 1467, 3423, 4401, 10269, 13203, 30807, 92421, 225163, 675489, 1576141, 2026467, 4728423, 6079401, 14185269, 18238203, 36701569, 42555807, 110104707, 127667421, 256910983, 330314121, 770732949, 990942363, 2312198847, 2972827089, 6936596541, 20809789623]

約数ペア:

[(1, 20809789623), (3, 6936596541), (7, 2972827089), (9, 2312198847), (21, 990942363), (27, 770732949), (63, 330314121), (81, 256910983), (163, 127667421), (189, 110104707), (489, 42555807), (567, 36701569), (1141, 18238203), (1467, 14185269), (3423, 6079401), (4401, 4728423), (10269, 2026467), (13203, 1576141), (30807, 675489), (92421, 225163)]