20440742

素因数分解:

$2^1\times 7^3\times {\mathrm{83}}^1\times {\mathrm{359}}^1$

素因数の和:465

約数の個数: 32

約数和(自身を含む): 36288000

約数和(自身を除く): 15847258

約数列:

[1, 2, 7, 14, 49, 83, 98, 166, 343, 359, 581, 686, 718, 1162, 2513, 4067, 5026, 8134, 17591, 28469, 29797, 35182, 56938, 59594, 123137, 208579, 246274, 417158, 1460053, 2920106, 10220371, 20440742]

約数ペア:

[(1, 20440742), (2, 10220371), (7, 2920106), (14, 1460053), (49, 417158), (83, 246274), (98, 208579), (166, 123137), (343, 59594), (359, 56938), (581, 35182), (686, 29797), (718, 28469), (1162, 17591), (2513, 8134), (4067, 5026)]