20772297

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^2\times {\mathrm{1951}}^1$

素因数の和:1990

約数の個数: 36

約数和(自身を含む): 37150464

約数和(自身を除く): 16378167

約数列:

[1, 3, 7, 9, 13, 21, 39, 63, 91, 117, 169, 273, 507, 819, 1183, 1521, 1951, 3549, 5853, 10647, 13657, 17559, 25363, 40971, 76089, 122913, 177541, 228267, 329719, 532623, 989157, 1597869, 2308033, 2967471, 6924099, 20772297]

約数ペア:

[(1, 20772297), (3, 6924099), (7, 2967471), (9, 2308033), (13, 1597869), (21, 989157), (39, 532623), (63, 329719), (91, 228267), (117, 177541), (169, 122913), (273, 76089), (507, 40971), (819, 25363), (1183, 17559), (1521, 13657), (1951, 10647), (3549, 5853)]