20385778815

素因数分解:

$3^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{1301}}^1\times {\mathrm{3137}}^1$

素因数の和:4489

約数の個数: 64

約数和(自身を含む): 37261365120

約数和(自身を除く): 16875586305

約数列:

[1, 3, 5, 9, 15, 27, 37, 45, 111, 135, 185, 333, 555, 999, 1301, 1665, 3137, 3903, 4995, 6505, 9411, 11709, 15685, 19515, 28233, 35127, 47055, 48137, 58545, 84699, 116069, 141165, 144411, 175635, 240685, 348207, 423495, 433233, 580345, 722055, 1044621, 1299699, 1741035, 2166165, 3133863, 4081237, 5223105, 6498495, 12243711, 15669315, 20406185, 36731133, 61218555, 110193399, 151005769, 183655665, 453017307, 550966995, 755028845, 1359051921, 2265086535, 4077155763, 6795259605, 20385778815]

約数ペア:

[(1, 20385778815), (3, 6795259605), (5, 4077155763), (9, 2265086535), (15, 1359051921), (27, 755028845), (37, 550966995), (45, 453017307), (111, 183655665), (135, 151005769), (185, 110193399), (333, 61218555), (555, 36731133), (999, 20406185), (1301, 15669315), (1665, 12243711), (3137, 6498495), (3903, 5223105), (4995, 4081237), (6505, 3133863), (9411, 2166165), (11709, 1741035), (15685, 1299699), (19515, 1044621), (28233, 722055), (35127, 580345), (47055, 433233), (48137, 423495), (58545, 348207), (84699, 240685), (116069, 175635), (141165, 144411)]