20740665

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{337}}^1\times {\mathrm{373}}^1$

素因数の和:729

約数の個数: 32

約数和(自身を含む): 36406656

約数和(自身を除く): 15665991

約数列:

[1, 3, 5, 11, 15, 33, 55, 165, 337, 373, 1011, 1119, 1685, 1865, 3707, 4103, 5055, 5595, 11121, 12309, 18535, 20515, 55605, 61545, 125701, 377103, 628505, 1382711, 1885515, 4148133, 6913555, 20740665]

約数ペア:

[(1, 20740665), (3, 6913555), (5, 4148133), (11, 1885515), (15, 1382711), (33, 628505), (55, 377103), (165, 125701), (337, 61545), (373, 55605), (1011, 20515), (1119, 18535), (1685, 12309), (1865, 11121), (3707, 5595), (4103, 5055)]