20448048

素因数分解:

$2^4\times 3^1\times {\mathrm{43}}^1\times {\mathrm{9907}}^1$

素因数の和:9961

約数の個数: 40

約数和(自身を含む): 54058048

約数和(自身を除く): 33610000

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 43, 48, 86, 129, 172, 258, 344, 516, 688, 1032, 2064, 9907, 19814, 29721, 39628, 59442, 79256, 118884, 158512, 237768, 426001, 475536, 852002, 1278003, 1704004, 2556006, 3408008, 5112012, 6816016, 10224024, 20448048]

約数ペア:

[(1, 20448048), (2, 10224024), (3, 6816016), (4, 5112012), (6, 3408008), (8, 2556006), (12, 1704004), (16, 1278003), (24, 852002), (43, 475536), (48, 426001), (86, 237768), (129, 158512), (172, 118884), (258, 79256), (344, 59442), (516, 39628), (688, 29721), (1032, 19814), (2064, 9907)]