20848347

素因数分解:

$3^4\times {\mathrm{13}}^2\times {\mathrm{1523}}^1$

素因数の和:1561

約数の個数: 30

約数和(自身を含む): 33745932

約数和(自身を除く): 12897585

約数列:

[1, 3, 9, 13, 27, 39, 81, 117, 169, 351, 507, 1053, 1521, 1523, 4563, 4569, 13689, 13707, 19799, 41121, 59397, 123363, 178191, 257387, 534573, 772161, 1603719, 2316483, 6949449, 20848347]

約数ペア:

[(1, 20848347), (3, 6949449), (9, 2316483), (13, 1603719), (27, 772161), (39, 534573), (81, 257387), (117, 178191), (169, 123363), (351, 59397), (507, 41121), (1053, 19799), (1521, 13707), (1523, 13689), (4563, 4569)]