20149665057

素因数分解:

$3^4\times {\mathrm{73}}^1\times {\mathrm{659}}^1\times {\mathrm{5171}}^1$

素因数の和:5915

約数の個数: 40

約数和(自身を含む): 30564658080

約数和(自身を除く): 10414993023

約数列:

[1, 3, 9, 27, 73, 81, 219, 657, 659, 1971, 1977, 5171, 5913, 5931, 15513, 17793, 46539, 48107, 53379, 139617, 144321, 377483, 418851, 432963, 1132449, 1298889, 3397347, 3407689, 3896667, 10192041, 10223067, 30576123, 30669201, 92007603, 248761297, 276022809, 746283891, 2238851673, 6716555019, 20149665057]

約数ペア:

[(1, 20149665057), (3, 6716555019), (9, 2238851673), (27, 746283891), (73, 276022809), (81, 248761297), (219, 92007603), (657, 30669201), (659, 30576123), (1971, 10223067), (1977, 10192041), (5171, 3896667), (5913, 3407689), (5931, 3397347), (15513, 1298889), (17793, 1132449), (46539, 432963), (48107, 418851), (53379, 377483), (139617, 144321)]