20497482

素因数分解:

$2^1\times 3^3\times {\mathrm{37}}^1\times {\mathrm{10259}}^1$

素因数の和:10307

約数の個数: 32

約数和(自身を含む): 46785600

約数和(自身を除く): 26288118

約数列:

[1, 2, 3, 6, 9, 18, 27, 37, 54, 74, 111, 222, 333, 666, 999, 1998, 10259, 20518, 30777, 61554, 92331, 184662, 276993, 379583, 553986, 759166, 1138749, 2277498, 3416247, 6832494, 10248741, 20497482]

約数ペア:

[(1, 20497482), (2, 10248741), (3, 6832494), (6, 3416247), (9, 2277498), (18, 1138749), (27, 759166), (37, 553986), (54, 379583), (74, 276993), (111, 184662), (222, 92331), (333, 61554), (666, 30777), (999, 20518), (1998, 10259)]