20203407

素因数分解:

$3^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{191}}^1$

素因数の和:300

約数の個数: 48

約数和(自身を含む): 35463168

約数和(自身を除く): 15259761

約数列:

[1, 3, 7, 9, 21, 23, 63, 69, 73, 161, 191, 207, 219, 483, 511, 573, 657, 1337, 1449, 1533, 1679, 1719, 4011, 4393, 4599, 5037, 11753, 12033, 13179, 13943, 15111, 30751, 35259, 39537, 41829, 92253, 97601, 105777, 125487, 276759, 292803, 320689, 878409, 962067, 2244823, 2886201, 6734469, 20203407]

約数ペア:

[(1, 20203407), (3, 6734469), (7, 2886201), (9, 2244823), (21, 962067), (23, 878409), (63, 320689), (69, 292803), (73, 276759), (161, 125487), (191, 105777), (207, 97601), (219, 92253), (483, 41829), (511, 39537), (573, 35259), (657, 30751), (1337, 15111), (1449, 13943), (1533, 13179), (1679, 12033), (1719, 11753), (4011, 5037), (4393, 4599)]